87913140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209317}}^1$

素因数の和:209336

約数の個数: 48

約数和(自身を含む): 281323392

約数和(自身を除く): 193410252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 209317, 418634, 627951, 837268, 1046585, 1255902, 1465219, 2093170, 2511804, 2930438, 3139755, 4186340, 4395657, 5860876, 6279510, 7326095, 8791314, 12559020, 14652190, 17582628, 21978285, 29304380, 43956570, 87913140]

約数ペア:

[(1, 87913140), (2, 43956570), (3, 29304380), (4, 21978285), (5, 17582628), (6, 14652190), (7, 12559020), (10, 8791314), (12, 7326095), (14, 6279510), (15, 5860876), (20, 4395657), (21, 4186340), (28, 3139755), (30, 2930438), (35, 2511804), (42, 2093170), (60, 1465219), (70, 1255902), (84, 1046585), (105, 837268), (140, 627951), (210, 418634), (420, 209317)]