317940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{757}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 1018752

約数和(自身を除く): 700812

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, 757, 1514, 2271, 3028, 3785, 4542, 5299, 7570, 9084, 10598, 11355, 15140, 15897, 21196, 22710, 26495, 31794, 45420, 52990, 63588, 79485, 105980, 158970, 317940]

約数ペア:

[(1, 317940), (2, 158970), (3, 105980), (4, 79485), (5, 63588), (6, 52990), (7, 45420), (10, 31794), (12, 26495), (14, 22710), (15, 21196), (20, 15897), (21, 15140), (28, 11355), (30, 10598), (35, 9084), (42, 7570), (60, 5299), (70, 4542), (84, 3785), (105, 3028), (140, 2271), (210, 1514), (420, 757)]