168647380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 392271264

約数和(自身を除く): 223623884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 227, 242, 307, 454, 484, 605, 614, 908, 1135, 1210, 1228, 1535, 2270, 2420, 2497, 3070, 3377, 4540, 4994, 6140, 6754, 9988, 12485, 13508, 16885, 24970, 27467, 33770, 37147, 49940, 54934, 67540, 69689, 74294, 109868, 137335, 139378, 148588, 185735, 274670, 278756, 348445, 371470, 549340, 696890, 742940, 766579, 1393780, 1533158, 3066316, 3832895, 7665790, 8432369, 15331580, 16864738, 33729476, 42161845, 84323690, 168647380]

約数ペア:

[(1, 168647380), (2, 84323690), (4, 42161845), (5, 33729476), (10, 16864738), (11, 15331580), (20, 8432369), (22, 7665790), (44, 3832895), (55, 3066316), (110, 1533158), (121, 1393780), (220, 766579), (227, 742940), (242, 696890), (307, 549340), (454, 371470), (484, 348445), (605, 278756), (614, 274670), (908, 185735), (1135, 148588), (1210, 139378), (1228, 137335), (1535, 109868), (2270, 74294), (2420, 69689), (2497, 67540), (3070, 54934), (3377, 49940), (4540, 37147), (4994, 33770), (6140, 27467), (6754, 24970), (9988, 16885), (12485, 13508)]