214665780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{511109}}^1$

素因数の和:511128

約数の個数: 48

約数和(自身を含む): 686931840

約数和(自身を除く): 472266060

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, 511109, 1022218, 1533327, 2044436, 2555545, 3066654, 3577763, 5111090, 6133308, 7155526, 7666635, 10222180, 10733289, 14311052, 15333270, 17888815, 21466578, 30666540, 35777630, 42933156, 53666445, 71555260, 107332890, 214665780]

約数ペア:

[(1, 214665780), (2, 107332890), (3, 71555260), (4, 53666445), (5, 42933156), (6, 35777630), (7, 30666540), (10, 21466578), (12, 17888815), (14, 15333270), (15, 14311052), (20, 10733289), (21, 10222180), (28, 7666635), (30, 7155526), (35, 6133308), (42, 5111090), (60, 3577763), (70, 3066654), (84, 2555545), (105, 2044436), (140, 1533327), (210, 1022218), (420, 511109)]