103817620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 223388928

約数和(自身を除く): 119571308

約数列:

[1, 2, 4, 5, 10, 20, 71, 113, 142, 226, 284, 355, 452, 565, 647, 710, 1130, 1294, 1420, 2260, 2588, 3235, 6470, 8023, 12940, 16046, 32092, 40115, 45937, 73111, 80230, 91874, 146222, 160460, 183748, 229685, 292444, 365555, 459370, 731110, 918740, 1462220, 5190881, 10381762, 20763524, 25954405, 51908810, 103817620]

約数ペア:

[(1, 103817620), (2, 51908810), (4, 25954405), (5, 20763524), (10, 10381762), (20, 5190881), (71, 1462220), (113, 918740), (142, 731110), (226, 459370), (284, 365555), (355, 292444), (452, 229685), (565, 183748), (647, 160460), (710, 146222), (1130, 91874), (1294, 80230), (1420, 73111), (2260, 45937), (2588, 40115), (3235, 32092), (6470, 16046), (8023, 12940)]