8898680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 23302080

約数和(自身を除く): 14403400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 521, 610, 854, 1042, 1220, 1708, 2084, 2135, 2440, 2605, 3416, 3647, 4168, 4270, 5210, 7294, 8540, 10420, 14588, 17080, 18235, 20840, 29176, 31781, 36470, 63562, 72940, 127124, 145880, 158905, 222467, 254248, 317810, 444934, 635620, 889868, 1112335, 1271240, 1779736, 2224670, 4449340, 8898680]

約数ペア:

[(1, 8898680), (2, 4449340), (4, 2224670), (5, 1779736), (7, 1271240), (8, 1112335), (10, 889868), (14, 635620), (20, 444934), (28, 317810), (35, 254248), (40, 222467), (56, 158905), (61, 145880), (70, 127124), (122, 72940), (140, 63562), (244, 36470), (280, 31781), (305, 29176), (427, 20840), (488, 18235), (521, 17080), (610, 14588), (854, 10420), (1042, 8540), (1220, 7294), (1708, 5210), (2084, 4270), (2135, 4168), (2440, 3647), (2605, 3416)]