69780380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3881}}^1$

素因数の和:3950

約数の個数: 48

約数和(自身を含む): 156522240

約数和(自身を除く): 86741860

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 3881, 4495, 7762, 8990, 15524, 17980, 19405, 38810, 77620, 112549, 120311, 225098, 240622, 450196, 481244, 562745, 601555, 1125490, 1203110, 2250980, 2406220, 3489019, 6978038, 13956076, 17445095, 34890190, 69780380]

約数ペア:

[(1, 69780380), (2, 34890190), (4, 17445095), (5, 13956076), (10, 6978038), (20, 3489019), (29, 2406220), (31, 2250980), (58, 1203110), (62, 1125490), (116, 601555), (124, 562745), (145, 481244), (155, 450196), (290, 240622), (310, 225098), (580, 120311), (620, 112549), (899, 77620), (1798, 38810), (3596, 19405), (3881, 17980), (4495, 15524), (7762, 8990)]