279328720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317419}}^1$

素因数の和:317443

約数の個数: 40

約数和(自身を含む): 708481440

約数和(自身を除く): 429152720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 317419, 634838, 1269676, 1587095, 2539352, 3174190, 3491609, 5078704, 6348380, 6983218, 12696760, 13966436, 17458045, 25393520, 27932872, 34916090, 55865744, 69832180, 139664360, 279328720]

約数ペア:

[(1, 279328720), (2, 139664360), (4, 69832180), (5, 55865744), (8, 34916090), (10, 27932872), (11, 25393520), (16, 17458045), (20, 13966436), (22, 12696760), (40, 6983218), (44, 6348380), (55, 5078704), (80, 3491609), (88, 3174190), (110, 2539352), (176, 1587095), (220, 1269676), (440, 634838), (880, 317419)]