139848440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3889}}^1$

素因数の和:3960

約数の個数: 64

約数和(自身を含む): 336096000

約数和(自身を除く): 196247560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 3596, 3889, 4495, 7192, 7778, 8990, 15556, 17980, 19445, 31112, 35960, 38890, 77780, 112781, 120559, 155560, 225562, 241118, 451124, 482236, 563905, 602795, 902248, 964472, 1127810, 1205590, 2255620, 2411180, 3496211, 4511240, 4822360, 6992422, 13984844, 17481055, 27969688, 34962110, 69924220, 139848440]

約数ペア:

[(1, 139848440), (2, 69924220), (4, 34962110), (5, 27969688), (8, 17481055), (10, 13984844), (20, 6992422), (29, 4822360), (31, 4511240), (40, 3496211), (58, 2411180), (62, 2255620), (116, 1205590), (124, 1127810), (145, 964472), (155, 902248), (232, 602795), (248, 563905), (290, 482236), (310, 451124), (580, 241118), (620, 225562), (899, 155560), (1160, 120559), (1240, 112781), (1798, 77780), (3596, 38890), (3889, 35960), (4495, 31112), (7192, 19445), (7778, 17980), (8990, 15556)]