199492020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 288

約数和(自身を含む): 785191680

約数和(自身を除く): 585699660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 532, 546, 570, 585, 630, 641, 665, 684, 741, 780, 798, 819, 855, 910, 988, 1092, 1140, 1170, 1197, 1235, 1260, 1282, 1330, 1365, 1482, 1596, 1638, 1710, 1729, 1820, 1923, 1995, 2223, 2340, 2394, 2470, 2564, 2660, 2730, 2964, 3205, 3276, 3420, 3458, 3705, 3846, 3990, 4095, 4446, 4487, 4788, 4940, 5187, 5460, 5769, 5985, 6410, 6916, 7410, 7692, 7980, 8190, 8333, 8645, 8892, 8974, 9615, 10374, 11115, 11538, 11970, 12179, 12820, 13461, 14820, 15561, 16380, 16666, 17290, 17948, 19230, 20748, 22230, 22435, 23076, 23940, 24358, 24999, 25935, 26922, 28845, 31122, 33332, 34580, 36537, 38460, 40383, 41665, 44460, 44870, 48716, 49998, 51870, 53844, 57690, 58331, 60895, 62244, 67305, 73074, 74997, 77805, 80766, 83330, 85253, 89740, 99996, 103740, 109611, 115380, 116662, 121790, 124995, 134610, 146148, 149994, 155610, 158327, 161532, 166660, 170506, 174993, 182685, 201915, 219222, 233324, 243580, 249990, 255759, 269220, 291655, 299988, 311220, 316654, 341012, 349986, 365370, 374985, 403830, 426265, 438444, 474981, 499980, 511518, 524979, 548055, 583310, 633308, 699972, 730740, 749970, 767277, 791635, 807660, 852530, 874965, 949962, 1023036, 1049958, 1096110, 1108289, 1166620, 1278795, 1424943, 1499940, 1534554, 1583270, 1705060, 1749930, 1899924, 2099916, 2192220, 2216578, 2374905, 2557590, 2624895, 2849886, 3069108, 3166540, 3324867, 3499860, 3836385, 4433156, 4749810, 5115180, 5249790, 5541445, 5699772, 6649734, 7124715, 7672770, 9499620, 9974601, 10499580, 11082890, 13299468, 14249430, 15345540, 16624335, 19949202, 22165780, 28498860, 33248670, 39898404, 49873005, 66497340, 99746010, 199492020]

約数ペア:

[(1, 199492020), (2, 99746010), (3, 66497340), (4, 49873005), (5, 39898404), (6, 33248670), (7, 28498860), (9, 22165780), (10, 19949202), (12, 16624335), (13, 15345540), (14, 14249430), (15, 13299468), (18, 11082890), (19, 10499580), (20, 9974601), (21, 9499620), (26, 7672770), (28, 7124715), (30, 6649734), (35, 5699772), (36, 5541445), (38, 5249790), (39, 5115180), (42, 4749810), (45, 4433156), (52, 3836385), (57, 3499860), (60, 3324867), (63, 3166540), (65, 3069108), (70, 2849886), (76, 2624895), (78, 2557590), (84, 2374905), (90, 2216578), (91, 2192220), (95, 2099916), (105, 1899924), (114, 1749930), (117, 1705060), (126, 1583270), (130, 1534554), (133, 1499940), (140, 1424943), (156, 1278795), (171, 1166620), (180, 1108289), (182, 1096110), (190, 1049958), (195, 1023036), (210, 949962), (228, 874965), (234, 852530), (247, 807660), (252, 791635), (260, 767277), (266, 749970), (273, 730740), (285, 699972), (315, 633308), (342, 583310), (364, 548055), (380, 524979), (390, 511518), (399, 499980), (420, 474981), (455, 438444), (468, 426265), (494, 403830), (532, 374985), (546, 365370), (570, 349986), (585, 341012), (630, 316654), (641, 311220), (665, 299988), (684, 291655), (741, 269220), (780, 255759), (798, 249990), (819, 243580), (855, 233324), (910, 219222), (988, 201915), (1092, 182685), (1140, 174993), (1170, 170506), (1197, 166660), (1235, 161532), (1260, 158327), (1282, 155610), (1330, 149994), (1365, 146148), (1482, 134610), (1596, 124995), (1638, 121790), (1710, 116662), (1729, 115380), (1820, 109611), (1923, 103740), (1995, 99996), (2223, 89740), (2340, 85253), (2394, 83330), (2470, 80766), (2564, 77805), (2660, 74997), (2730, 73074), (2964, 67305), (3205, 62244), (3276, 60895), (3420, 58331), (3458, 57690), (3705, 53844), (3846, 51870), (3990, 49998), (4095, 48716), (4446, 44870), (4487, 44460), (4788, 41665), (4940, 40383), (5187, 38460), (5460, 36537), (5769, 34580), (5985, 33332), (6410, 31122), (6916, 28845), (7410, 26922), (7692, 25935), (7980, 24999), (8190, 24358), (8333, 23940), (8645, 23076), (8892, 22435), (8974, 22230), (9615, 20748), (10374, 19230), (11115, 17948), (11538, 17290), (11970, 16666), (12179, 16380), (12820, 15561), (13461, 14820)]