1768319240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{724721}}^1$

素因数の和:724793

約数の個数: 32

約数和(自身を含む): 4043948760

約数和(自身を除く): 2275629520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 724721, 1449442, 2898884, 3623605, 5797768, 7247210, 14494420, 28988840, 44207981, 88415962, 176831924, 221039905, 353663848, 442079810, 884159620, 1768319240]

約数ペア:

[(1, 1768319240), (2, 884159620), (4, 442079810), (5, 353663848), (8, 221039905), (10, 176831924), (20, 88415962), (40, 44207981), (61, 28988840), (122, 14494420), (244, 7247210), (305, 5797768), (488, 3623605), (610, 2898884), (1220, 1449442), (2440, 724721)]