7741580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{457}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 20467104

約数和(自身を除く): 12725524

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, 457, 484, 605, 770, 847, 914, 1210, 1540, 1694, 1828, 2285, 2420, 3199, 3388, 4235, 4570, 5027, 6398, 8470, 9140, 10054, 12796, 15995, 16940, 20108, 25135, 31990, 35189, 50270, 55297, 63980, 70378, 100540, 110594, 140756, 175945, 221188, 276485, 351890, 387079, 552970, 703780, 774158, 1105940, 1548316, 1935395, 3870790, 7741580]

約数ペア:

[(1, 7741580), (2, 3870790), (4, 1935395), (5, 1548316), (7, 1105940), (10, 774158), (11, 703780), (14, 552970), (20, 387079), (22, 351890), (28, 276485), (35, 221188), (44, 175945), (55, 140756), (70, 110594), (77, 100540), (110, 70378), (121, 63980), (140, 55297), (154, 50270), (220, 35189), (242, 31990), (308, 25135), (385, 20108), (457, 16940), (484, 15995), (605, 12796), (770, 10054), (847, 9140), (914, 8470), (1210, 6398), (1540, 5027), (1694, 4570), (1828, 4235), (2285, 3388), (2420, 3199)]