808957640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{2287}}^1$

素因数の和:2574

約数の個数: 64

約数和(自身を含む): 1877990400

約数和(自身を除く): 1069032760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 239, 296, 370, 478, 740, 956, 1195, 1480, 1912, 2287, 2390, 4574, 4780, 8843, 9148, 9560, 11435, 17686, 18296, 22870, 35372, 44215, 45740, 70744, 84619, 88430, 91480, 169238, 176860, 338476, 353720, 423095, 546593, 676952, 846190, 1093186, 1692380, 2186372, 2732965, 3384760, 4372744, 5465930, 10931860, 20223941, 21863720, 40447882, 80895764, 101119705, 161791528, 202239410, 404478820, 808957640]

約数ペア:

[(1, 808957640), (2, 404478820), (4, 202239410), (5, 161791528), (8, 101119705), (10, 80895764), (20, 40447882), (37, 21863720), (40, 20223941), (74, 10931860), (148, 5465930), (185, 4372744), (239, 3384760), (296, 2732965), (370, 2186372), (478, 1692380), (740, 1093186), (956, 846190), (1195, 676952), (1480, 546593), (1912, 423095), (2287, 353720), (2390, 338476), (4574, 176860), (4780, 169238), (8843, 91480), (9148, 88430), (9560, 84619), (11435, 70744), (17686, 45740), (18296, 44215), (22870, 35372)]