31180870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 67931136

約数和(自身を除く): 36750266

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 107, 115, 161, 181, 214, 230, 322, 362, 535, 749, 805, 905, 1070, 1267, 1498, 1610, 1810, 2461, 2534, 3745, 4163, 4922, 6335, 7490, 8326, 12305, 12670, 17227, 19367, 20815, 24610, 29141, 34454, 38734, 41630, 58282, 86135, 96835, 135569, 145705, 172270, 193670, 271138, 291410, 445441, 677845, 890882, 1355690, 2227205, 3118087, 4454410, 6236174, 15590435, 31180870]

約数ペア:

[(1, 31180870), (2, 15590435), (5, 6236174), (7, 4454410), (10, 3118087), (14, 2227205), (23, 1355690), (35, 890882), (46, 677845), (70, 445441), (107, 291410), (115, 271138), (161, 193670), (181, 172270), (214, 145705), (230, 135569), (322, 96835), (362, 86135), (535, 58282), (749, 41630), (805, 38734), (905, 34454), (1070, 29141), (1267, 24610), (1498, 20815), (1610, 19367), (1810, 17227), (2461, 12670), (2534, 12305), (3745, 8326), (4163, 7490), (4922, 6335)]