31555370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 71663616

約数和(自身を除く): 40108246

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 107, 110, 154, 214, 383, 385, 535, 749, 766, 770, 1070, 1177, 1498, 1915, 2354, 2681, 3745, 3830, 4213, 5362, 5885, 7490, 8239, 8426, 11770, 13405, 16478, 21065, 26810, 29491, 40981, 41195, 42130, 58982, 81962, 82390, 147455, 204905, 286867, 294910, 409810, 450791, 573734, 901582, 1434335, 2253955, 2868670, 3155537, 4507910, 6311074, 15777685, 31555370]

約数ペア:

[(1, 31555370), (2, 15777685), (5, 6311074), (7, 4507910), (10, 3155537), (11, 2868670), (14, 2253955), (22, 1434335), (35, 901582), (55, 573734), (70, 450791), (77, 409810), (107, 294910), (110, 286867), (154, 204905), (214, 147455), (383, 82390), (385, 81962), (535, 58982), (749, 42130), (766, 41195), (770, 40981), (1070, 29491), (1177, 26810), (1498, 21065), (1915, 16478), (2354, 13405), (2681, 11770), (3745, 8426), (3830, 8239), (4213, 7490), (5362, 5885)]