31622780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2111}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 76640256

約数和(自身を除く): 45017476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2111, 2140, 2996, 3745, 4222, 7490, 8444, 10555, 14777, 14980, 21110, 29554, 42220, 59108, 73885, 147770, 225877, 295540, 451754, 903508, 1129385, 1581139, 2258770, 3162278, 4517540, 6324556, 7905695, 15811390, 31622780]

約数ペア:

[(1, 31622780), (2, 15811390), (4, 7905695), (5, 6324556), (7, 4517540), (10, 3162278), (14, 2258770), (20, 1581139), (28, 1129385), (35, 903508), (70, 451754), (107, 295540), (140, 225877), (214, 147770), (428, 73885), (535, 59108), (749, 42220), (1070, 29554), (1498, 21110), (2111, 14980), (2140, 14777), (2996, 10555), (3745, 8444), (4222, 7490)]