157213140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{374317}}^1$

素因数の和:374336

約数の個数: 48

約数和(自身を含む): 503083392

約数和(自身を除く): 345870252

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, 374317, 748634, 1122951, 1497268, 1871585, 2245902, 2620219, 3743170, 4491804, 5240438, 5614755, 7486340, 7860657, 10480876, 11229510, 13101095, 15721314, 22459020, 26202190, 31442628, 39303285, 52404380, 78606570, 157213140]

約数ペア:

[(1, 157213140), (2, 78606570), (3, 52404380), (4, 39303285), (5, 31442628), (6, 26202190), (7, 22459020), (10, 15721314), (12, 13101095), (14, 11229510), (15, 10480876), (20, 7860657), (21, 7486340), (28, 5614755), (30, 5240438), (35, 4491804), (42, 3743170), (60, 2620219), (70, 2245902), (84, 1871585), (105, 1497268), (140, 1122951), (210, 748634), (420, 374317)]