291266870390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9059}}^1\times {\mathrm{40699}}^1$

素因数の和:49844

約数の個数: 32

約数和(自身を含む): 530988480000

約数和(自身を除く): 239721609610

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 9059, 18118, 40699, 45295, 81398, 90590, 203495, 406990, 715661, 1431322, 3215221, 3578305, 6430442, 7156610, 16076105, 32152210, 368692241, 737384482, 1843461205, 3686922410, 29126687039, 58253374078, 145633435195, 291266870390]

約数ペア:

[(1, 291266870390), (2, 145633435195), (5, 58253374078), (10, 29126687039), (79, 3686922410), (158, 1843461205), (395, 737384482), (790, 368692241), (9059, 32152210), (18118, 16076105), (40699, 7156610), (45295, 6430442), (81398, 3578305), (90590, 3215221), (203495, 1431322), (406990, 715661)]