87446940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208207}}^1$

素因数の和:208226

約数の個数: 48

約数和(自身を含む): 279831552

約数和(自身を除く): 192384612

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, 208207, 416414, 624621, 832828, 1041035, 1249242, 1457449, 2082070, 2498484, 2914898, 3123105, 4164140, 4372347, 5829796, 6246210, 7287245, 8744694, 12492420, 14574490, 17489388, 21861735, 29148980, 43723470, 87446940]

約数ペア:

[(1, 87446940), (2, 43723470), (3, 29148980), (4, 21861735), (5, 17489388), (6, 14574490), (7, 12492420), (10, 8744694), (12, 7287245), (14, 6246210), (15, 5829796), (20, 4372347), (21, 4164140), (28, 3123105), (30, 2914898), (35, 2498484), (42, 2082070), (60, 1457449), (70, 1249242), (84, 1041035), (105, 832828), (140, 624621), (210, 416414), (420, 208207)]