553717780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{32687}}^1$

素因数の和:32725

約数の個数: 72

約数和(自身を含む): 1460761344

約数和(自身を除く): 907043564

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16940, 32687, 65374, 130748, 163435, 228809, 326870, 359557, 457618, 653740, 719114, 915236, 1144045, 1438228, 1797785, 2288090, 2516899, 3595570, 3955127, 4576180, 5033798, 7191140, 7910254, 10067596, 12584495, 15820508, 19775635, 25168990, 27685889, 39551270, 50337980, 55371778, 79102540, 110743556, 138429445, 276858890, 553717780]

約数ペア:

[(1, 553717780), (2, 276858890), (4, 138429445), (5, 110743556), (7, 79102540), (10, 55371778), (11, 50337980), (14, 39551270), (20, 27685889), (22, 25168990), (28, 19775635), (35, 15820508), (44, 12584495), (55, 10067596), (70, 7910254), (77, 7191140), (110, 5033798), (121, 4576180), (140, 3955127), (154, 3595570), (220, 2516899), (242, 2288090), (308, 1797785), (385, 1438228), (484, 1144045), (605, 915236), (770, 719114), (847, 653740), (1210, 457618), (1540, 359557), (1694, 326870), (2420, 228809), (3388, 163435), (4235, 130748), (8470, 65374), (16940, 32687)]