137720740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21319}}^1$

素因数の和:21364

約数の個数: 48

約数和(自身を含む): 322358400

約数和(自身を除く): 184637660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 21319, 42638, 85276, 106595, 213190, 362423, 405061, 426380, 724846, 810122, 1449692, 1620244, 1812115, 2025305, 3624230, 4050610, 6886037, 7248460, 8101220, 13772074, 27544148, 34430185, 68860370, 137720740]

約数ペア:

[(1, 137720740), (2, 68860370), (4, 34430185), (5, 27544148), (10, 13772074), (17, 8101220), (19, 7248460), (20, 6886037), (34, 4050610), (38, 3624230), (68, 2025305), (76, 1812115), (85, 1620244), (95, 1449692), (170, 810122), (190, 724846), (323, 426380), (340, 405061), (380, 362423), (646, 213190), (1292, 106595), (1615, 85276), (3230, 42638), (6460, 21319)]