7131740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{421}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 18858336

約数和(自身を除く): 11726596

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, 421, 484, 605, 770, 842, 847, 1210, 1540, 1684, 1694, 2105, 2420, 2947, 3388, 4210, 4235, 4631, 5894, 8420, 8470, 9262, 11788, 14735, 16940, 18524, 23155, 29470, 32417, 46310, 50941, 58940, 64834, 92620, 101882, 129668, 162085, 203764, 254705, 324170, 356587, 509410, 648340, 713174, 1018820, 1426348, 1782935, 3565870, 7131740]

約数ペア:

[(1, 7131740), (2, 3565870), (4, 1782935), (5, 1426348), (7, 1018820), (10, 713174), (11, 648340), (14, 509410), (20, 356587), (22, 324170), (28, 254705), (35, 203764), (44, 162085), (55, 129668), (70, 101882), (77, 92620), (110, 64834), (121, 58940), (140, 50941), (154, 46310), (220, 32417), (242, 29470), (308, 23155), (385, 18524), (421, 16940), (484, 14735), (605, 11788), (770, 9262), (842, 8470), (847, 8420), (1210, 5894), (1540, 4631), (1684, 4235), (1694, 4210), (2105, 3388), (2420, 2947)]