88485880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4451}}^1$

素因数の和:4540

約数の個数: 64

約数和(自身を含む): 230791680

約数和(自身を除く): 142305800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4451, 4970, 8902, 9940, 17804, 19880, 22255, 31157, 35608, 44510, 62314, 89020, 124628, 155785, 178040, 249256, 311570, 316021, 623140, 632042, 1246280, 1264084, 1580105, 2212147, 2528168, 3160210, 4424294, 6320420, 8848588, 11060735, 12640840, 17697176, 22121470, 44242940, 88485880]

約数ペア:

[(1, 88485880), (2, 44242940), (4, 22121470), (5, 17697176), (7, 12640840), (8, 11060735), (10, 8848588), (14, 6320420), (20, 4424294), (28, 3160210), (35, 2528168), (40, 2212147), (56, 1580105), (70, 1264084), (71, 1246280), (140, 632042), (142, 623140), (280, 316021), (284, 311570), (355, 249256), (497, 178040), (568, 155785), (710, 124628), (994, 89020), (1420, 62314), (1988, 44510), (2485, 35608), (2840, 31157), (3976, 22255), (4451, 19880), (4970, 17804), (8902, 9940)]