207846520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 557821440

約数和(自身を除く): 349974920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 61, 70, 86, 122, 140, 172, 215, 244, 280, 283, 301, 305, 344, 427, 430, 488, 566, 602, 610, 854, 860, 1132, 1204, 1220, 1415, 1505, 1708, 1720, 1981, 2135, 2264, 2408, 2440, 2623, 2830, 3010, 3416, 3962, 4270, 5246, 5660, 6020, 7924, 8540, 9905, 10492, 11320, 12040, 12169, 13115, 15848, 17080, 17263, 18361, 19810, 20984, 24338, 26230, 34526, 36722, 39620, 48676, 52460, 60845, 69052, 73444, 79240, 85183, 86315, 91805, 97352, 104920, 120841, 121690, 138104, 146888, 170366, 172630, 183610, 241682, 243380, 340732, 345260, 367220, 425915, 483364, 486760, 604205, 681464, 690520, 734440, 742309, 851830, 966728, 1208410, 1484618, 1703660, 2416820, 2969236, 3407320, 3711545, 4833640, 5196163, 5938472, 7423090, 10392326, 14846180, 20784652, 25980815, 29692360, 41569304, 51961630, 103923260, 207846520]

約数ペア:

[(1, 207846520), (2, 103923260), (4, 51961630), (5, 41569304), (7, 29692360), (8, 25980815), (10, 20784652), (14, 14846180), (20, 10392326), (28, 7423090), (35, 5938472), (40, 5196163), (43, 4833640), (56, 3711545), (61, 3407320), (70, 2969236), (86, 2416820), (122, 1703660), (140, 1484618), (172, 1208410), (215, 966728), (244, 851830), (280, 742309), (283, 734440), (301, 690520), (305, 681464), (344, 604205), (427, 486760), (430, 483364), (488, 425915), (566, 367220), (602, 345260), (610, 340732), (854, 243380), (860, 241682), (1132, 183610), (1204, 172630), (1220, 170366), (1415, 146888), (1505, 138104), (1708, 121690), (1720, 120841), (1981, 104920), (2135, 97352), (2264, 91805), (2408, 86315), (2440, 85183), (2623, 79240), (2830, 73444), (3010, 69052), (3416, 60845), (3962, 52460), (4270, 48676), (5246, 39620), (5660, 36722), (6020, 34526), (7924, 26230), (8540, 24338), (9905, 20984), (10492, 19810), (11320, 18361), (12040, 17263), (12169, 17080), (13115, 15848)]