400179780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2267

約数の個数: 288

約数和(自身を含む): 1630556928

約数和(自身を除く): 1230377148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 26, 28, 30, 33, 35, 36, 39, 42, 44, 45, 52, 55, 60, 63, 65, 66, 70, 77, 78, 84, 90, 91, 99, 105, 110, 117, 126, 130, 132, 140, 143, 154, 156, 165, 180, 182, 195, 198, 210, 220, 231, 234, 252, 260, 273, 286, 308, 315, 330, 364, 385, 390, 396, 420, 429, 455, 462, 468, 495, 546, 572, 585, 630, 660, 693, 715, 770, 780, 819, 858, 910, 924, 990, 1001, 1092, 1155, 1170, 1260, 1287, 1365, 1386, 1430, 1540, 1638, 1716, 1820, 1980, 2002, 2145, 2221, 2310, 2340, 2574, 2730, 2772, 2860, 3003, 3276, 3465, 4004, 4095, 4290, 4442, 4620, 5005, 5148, 5460, 6006, 6435, 6663, 6930, 8190, 8580, 8884, 9009, 10010, 11105, 12012, 12870, 13326, 13860, 15015, 15547, 16380, 18018, 19989, 20020, 22210, 24431, 25740, 26652, 28873, 30030, 31094, 33315, 36036, 39978, 44420, 45045, 46641, 48862, 57746, 60060, 62188, 66630, 73293, 77735, 79956, 86619, 90090, 93282, 97724, 99945, 115492, 122155, 133260, 139923, 144365, 146586, 155470, 171017, 173238, 180180, 186564, 199890, 202111, 219879, 233205, 244310, 259857, 279846, 288730, 293172, 310940, 317603, 342034, 346476, 366465, 399780, 404222, 433095, 439758, 466410, 488620, 513051, 519714, 559692, 577460, 606333, 635206, 684068, 699615, 732930, 808444, 855085, 866190, 879516, 932820, 952809, 1010555, 1026102, 1039428, 1099395, 1212666, 1270412, 1299285, 1399230, 1465860, 1539153, 1588015, 1710170, 1732380, 1818999, 1905618, 2021110, 2052204, 2198790, 2223221, 2425332, 2565255, 2598570, 2798460, 2858427, 3031665, 3078306, 3176030, 3420340, 3637998, 3811236, 4042220, 4397580, 4446442, 4764045, 5130510, 5197140, 5716854, 6063330, 6156612, 6352060, 6669663, 7275996, 7695765, 8892884, 9094995, 9528090, 10261020, 11116105, 11433708, 12126660, 13339326, 14292135, 15391530, 18189990, 19056180, 20008989, 22232210, 26678652, 28584270, 30783060, 33348315, 36379980, 40017978, 44464420, 57168540, 66696630, 80035956, 100044945, 133393260, 200089890, 400179780]

約数ペア:

[(1, 400179780), (2, 200089890), (3, 133393260), (4, 100044945), (5, 80035956), (6, 66696630), (7, 57168540), (9, 44464420), (10, 40017978), (11, 36379980), (12, 33348315), (13, 30783060), (14, 28584270), (15, 26678652), (18, 22232210), (20, 20008989), (21, 19056180), (22, 18189990), (26, 15391530), (28, 14292135), (30, 13339326), (33, 12126660), (35, 11433708), (36, 11116105), (39, 10261020), (42, 9528090), (44, 9094995), (45, 8892884), (52, 7695765), (55, 7275996), (60, 6669663), (63, 6352060), (65, 6156612), (66, 6063330), (70, 5716854), (77, 5197140), (78, 5130510), (84, 4764045), (90, 4446442), (91, 4397580), (99, 4042220), (105, 3811236), (110, 3637998), (117, 3420340), (126, 3176030), (130, 3078306), (132, 3031665), (140, 2858427), (143, 2798460), (154, 2598570), (156, 2565255), (165, 2425332), (180, 2223221), (182, 2198790), (195, 2052204), (198, 2021110), (210, 1905618), (220, 1818999), (231, 1732380), (234, 1710170), (252, 1588015), (260, 1539153), (273, 1465860), (286, 1399230), (308, 1299285), (315, 1270412), (330, 1212666), (364, 1099395), (385, 1039428), (390, 1026102), (396, 1010555), (420, 952809), (429, 932820), (455, 879516), (462, 866190), (468, 855085), (495, 808444), (546, 732930), (572, 699615), (585, 684068), (630, 635206), (660, 606333), (693, 577460), (715, 559692), (770, 519714), (780, 513051), (819, 488620), (858, 466410), (910, 439758), (924, 433095), (990, 404222), (1001, 399780), (1092, 366465), (1155, 346476), (1170, 342034), (1260, 317603), (1287, 310940), (1365, 293172), (1386, 288730), (1430, 279846), (1540, 259857), (1638, 244310), (1716, 233205), (1820, 219879), (1980, 202111), (2002, 199890), (2145, 186564), (2221, 180180), (2310, 173238), (2340, 171017), (2574, 155470), (2730, 146586), (2772, 144365), (2860, 139923), (3003, 133260), (3276, 122155), (3465, 115492), (4004, 99945), (4095, 97724), (4290, 93282), (4442, 90090), (4620, 86619), (5005, 79956), (5148, 77735), (5460, 73293), (6006, 66630), (6435, 62188), (6663, 60060), (6930, 57746), (8190, 48862), (8580, 46641), (8884, 45045), (9009, 44420), (10010, 39978), (11105, 36036), (12012, 33315), (12870, 31094), (13326, 30030), (13860, 28873), (15015, 26652), (15547, 25740), (16380, 24431), (18018, 22210), (19989, 20020)]