1800736720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{608357}}^1$

素因数の和:608407

約数の個数: 40

約数和(自身を含む): 4299874344

約数和(自身を除く): 2499137624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 608357, 1216714, 2433428, 3041785, 4866856, 6083570, 9733712, 12167140, 22509209, 24334280, 45018418, 48668560, 90036836, 112546045, 180073672, 225092090, 360147344, 450184180, 900368360, 1800736720]

約数ペア:

[(1, 1800736720), (2, 900368360), (4, 450184180), (5, 360147344), (8, 225092090), (10, 180073672), (16, 112546045), (20, 90036836), (37, 48668560), (40, 45018418), (74, 24334280), (80, 22509209), (148, 12167140), (185, 9733712), (296, 6083570), (370, 4866856), (592, 3041785), (740, 2433428), (1480, 1216714), (2960, 608357)]