740960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 1914192

約数和(自身を除く): 1173232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 421, 440, 842, 880, 1684, 1760, 2105, 3368, 4210, 4631, 6736, 8420, 9262, 13472, 16840, 18524, 23155, 33680, 37048, 46310, 67360, 74096, 92620, 148192, 185240, 370480, 740960]

約数ペア:

[(1, 740960), (2, 370480), (4, 185240), (5, 148192), (8, 92620), (10, 74096), (11, 67360), (16, 46310), (20, 37048), (22, 33680), (32, 23155), (40, 18524), (44, 16840), (55, 13472), (80, 9262), (88, 8420), (110, 6736), (160, 4631), (176, 4210), (220, 3368), (352, 2105), (421, 1760), (440, 1684), (842, 880)]