209915160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 256

約数和(自身を含む): 793497600

約数和(自身を除く): 583582440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 47, 52, 56, 60, 65, 70, 78, 84, 91, 94, 104, 105, 120, 130, 140, 141, 156, 168, 182, 188, 195, 210, 235, 260, 273, 280, 282, 312, 329, 364, 376, 390, 409, 420, 455, 470, 520, 546, 564, 611, 658, 705, 728, 780, 818, 840, 910, 940, 987, 1092, 1128, 1222, 1227, 1316, 1365, 1410, 1560, 1636, 1645, 1820, 1833, 1880, 1974, 2045, 2184, 2444, 2454, 2632, 2730, 2820, 2863, 3055, 3272, 3290, 3640, 3666, 3948, 4090, 4277, 4888, 4908, 4935, 5317, 5460, 5640, 5726, 6110, 6135, 6580, 7332, 7896, 8180, 8554, 8589, 9165, 9816, 9870, 10634, 10920, 11452, 12220, 12270, 12831, 13160, 14315, 14664, 15951, 16360, 17108, 17178, 18330, 19223, 19740, 21268, 21385, 22904, 24440, 24540, 25662, 26585, 28630, 31902, 34216, 34356, 36660, 37219, 38446, 39480, 42536, 42770, 42945, 49080, 51324, 53170, 57260, 57669, 63804, 64155, 68712, 73320, 74438, 76892, 79755, 85540, 85890, 96115, 102648, 106340, 111657, 114520, 115338, 127608, 128310, 134561, 148876, 153784, 159510, 171080, 171780, 186095, 192230, 212680, 223314, 230676, 249899, 256620, 269122, 288345, 297752, 319020, 343560, 372190, 384460, 403683, 446628, 461352, 499798, 513240, 538244, 558285, 576690, 638040, 672805, 744380, 749697, 768920, 807366, 893256, 999596, 1076488, 1116570, 1153380, 1249495, 1345610, 1488760, 1499394, 1614732, 1749293, 1999192, 2018415, 2233140, 2306760, 2498990, 2691220, 2998788, 3229464, 3498586, 3748485, 4036830, 4466280, 4997980, 5247879, 5382440, 5997576, 6997172, 7496970, 8073660, 8746465, 9995960, 10495758, 13994344, 14993940, 16147320, 17492930, 20991516, 26239395, 29987880, 34985860, 41983032, 52478790, 69971720, 104957580, 209915160]

約数ペア:

[(1, 209915160), (2, 104957580), (3, 69971720), (4, 52478790), (5, 41983032), (6, 34985860), (7, 29987880), (8, 26239395), (10, 20991516), (12, 17492930), (13, 16147320), (14, 14993940), (15, 13994344), (20, 10495758), (21, 9995960), (24, 8746465), (26, 8073660), (28, 7496970), (30, 6997172), (35, 5997576), (39, 5382440), (40, 5247879), (42, 4997980), (47, 4466280), (52, 4036830), (56, 3748485), (60, 3498586), (65, 3229464), (70, 2998788), (78, 2691220), (84, 2498990), (91, 2306760), (94, 2233140), (104, 2018415), (105, 1999192), (120, 1749293), (130, 1614732), (140, 1499394), (141, 1488760), (156, 1345610), (168, 1249495), (182, 1153380), (188, 1116570), (195, 1076488), (210, 999596), (235, 893256), (260, 807366), (273, 768920), (280, 749697), (282, 744380), (312, 672805), (329, 638040), (364, 576690), (376, 558285), (390, 538244), (409, 513240), (420, 499798), (455, 461352), (470, 446628), (520, 403683), (546, 384460), (564, 372190), (611, 343560), (658, 319020), (705, 297752), (728, 288345), (780, 269122), (818, 256620), (840, 249899), (910, 230676), (940, 223314), (987, 212680), (1092, 192230), (1128, 186095), (1222, 171780), (1227, 171080), (1316, 159510), (1365, 153784), (1410, 148876), (1560, 134561), (1636, 128310), (1645, 127608), (1820, 115338), (1833, 114520), (1880, 111657), (1974, 106340), (2045, 102648), (2184, 96115), (2444, 85890), (2454, 85540), (2632, 79755), (2730, 76892), (2820, 74438), (2863, 73320), (3055, 68712), (3272, 64155), (3290, 63804), (3640, 57669), (3666, 57260), (3948, 53170), (4090, 51324), (4277, 49080), (4888, 42945), (4908, 42770), (4935, 42536), (5317, 39480), (5460, 38446), (5640, 37219), (5726, 36660), (6110, 34356), (6135, 34216), (6580, 31902), (7332, 28630), (7896, 26585), (8180, 25662), (8554, 24540), (8589, 24440), (9165, 22904), (9816, 21385), (9870, 21268), (10634, 19740), (10920, 19223), (11452, 18330), (12220, 17178), (12270, 17108), (12831, 16360), (13160, 15951), (14315, 14664)]