2221240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7933}}^1$

素因数の和:7951

約数の個数: 32

約数和(自身を含む): 5712480

約数和(自身を除く): 3491240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7933, 15866, 31732, 39665, 55531, 63464, 79330, 111062, 158660, 222124, 277655, 317320, 444248, 555310, 1110620, 2221240]

約数ペア:

[(1, 2221240), (2, 1110620), (4, 555310), (5, 444248), (7, 317320), (8, 277655), (10, 222124), (14, 158660), (20, 111062), (28, 79330), (35, 63464), (40, 55531), (56, 39665), (70, 31732), (140, 15866), (280, 7933)]