370480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 941904

約数和(自身を除く): 571424

約数列:

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

約数ペア:

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