133968980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{7451}}^1$

素因数の和:7520

約数の個数: 48

約数和(自身を含む): 300464640

約数和(自身を除く): 166495660

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 7451, 8990, 14902, 17980, 29804, 37255, 74510, 149020, 216079, 230981, 432158, 461962, 864316, 923924, 1080395, 1154905, 2160790, 2309810, 4321580, 4619620, 6698449, 13396898, 26793796, 33492245, 66984490, 133968980]

約数ペア:

[(1, 133968980), (2, 66984490), (4, 33492245), (5, 26793796), (10, 13396898), (20, 6698449), (29, 4619620), (31, 4321580), (58, 2309810), (62, 2160790), (116, 1154905), (124, 1080395), (145, 923924), (155, 864316), (290, 461962), (310, 432158), (580, 230981), (620, 216079), (899, 149020), (1798, 74510), (3596, 37255), (4495, 29804), (7451, 17980), (8990, 14902)]