1986790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 4354560

約数和(自身を除く): 2367770

約数列:

[1, 2, 5, 10, 13, 17, 26, 29, 31, 34, 58, 62, 65, 85, 130, 145, 155, 170, 221, 290, 310, 377, 403, 442, 493, 527, 754, 806, 899, 986, 1054, 1105, 1798, 1885, 2015, 2210, 2465, 2635, 3770, 4030, 4495, 4930, 5270, 6409, 6851, 8990, 11687, 12818, 13702, 15283, 23374, 30566, 32045, 34255, 58435, 64090, 68510, 76415, 116870, 152830, 198679, 397358, 993395, 1986790]

約数ペア:

[(1, 1986790), (2, 993395), (5, 397358), (10, 198679), (13, 152830), (17, 116870), (26, 76415), (29, 68510), (31, 64090), (34, 58435), (58, 34255), (62, 32045), (65, 30566), (85, 23374), (130, 15283), (145, 13702), (155, 12818), (170, 11687), (221, 8990), (290, 6851), (310, 6409), (377, 5270), (403, 4930), (442, 4495), (493, 4030), (527, 3770), (754, 2635), (806, 2465), (899, 2210), (986, 2015), (1054, 1885), (1105, 1798)]