31529260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1993}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 76378176

約数和(自身を除く): 44848916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 1993, 2260, 3164, 3955, 3986, 7910, 7972, 9965, 13951, 15820, 19930, 27902, 39860, 55804, 69755, 139510, 225209, 279020, 450418, 900836, 1126045, 1576463, 2252090, 3152926, 4504180, 6305852, 7882315, 15764630, 31529260]

約数ペア:

[(1, 31529260), (2, 15764630), (4, 7882315), (5, 6305852), (7, 4504180), (10, 3152926), (14, 2252090), (20, 1576463), (28, 1126045), (35, 900836), (70, 450418), (113, 279020), (140, 225209), (226, 139510), (452, 69755), (565, 55804), (791, 39860), (1130, 27902), (1582, 19930), (1993, 15820), (2260, 13951), (3164, 9965), (3955, 7972), (3986, 7910)]