129700460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1787}}^1$

素因数の和:2006

約数の個数: 48

約数和(自身を含む): 288368640

約数和(自身を除く): 158668180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1787, 1910, 3574, 3629, 3820, 7148, 7258, 8935, 14516, 17870, 18145, 33953, 35740, 36290, 67906, 72580, 135812, 169765, 339530, 341317, 679060, 682634, 1365268, 1706585, 3413170, 6485023, 6826340, 12970046, 25940092, 32425115, 64850230, 129700460]

約数ペア:

[(1, 129700460), (2, 64850230), (4, 32425115), (5, 25940092), (10, 12970046), (19, 6826340), (20, 6485023), (38, 3413170), (76, 1706585), (95, 1365268), (190, 682634), (191, 679060), (380, 341317), (382, 339530), (764, 169765), (955, 135812), (1787, 72580), (1910, 67906), (3574, 36290), (3629, 35740), (3820, 33953), (7148, 18145), (7258, 17870), (8935, 14516)]