290578480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{88591}}^1$

素因数の和:88645

約数の個数: 40

約数和(自身を含む): 692080704

約数和(自身を除く): 401502224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 88591, 177182, 354364, 442955, 708728, 885910, 1417456, 1771820, 3543640, 3632231, 7087280, 7264462, 14528924, 18161155, 29057848, 36322310, 58115696, 72644620, 145289240, 290578480]

約数ペア:

[(1, 290578480), (2, 145289240), (4, 72644620), (5, 58115696), (8, 36322310), (10, 29057848), (16, 18161155), (20, 14528924), (40, 7264462), (41, 7087280), (80, 3632231), (82, 3543640), (164, 1771820), (205, 1417456), (328, 885910), (410, 708728), (656, 442955), (820, 354364), (1640, 177182), (3280, 88591)]