206817740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4019}}^1$

素因数の和:4142

約数の個数: 48

約数和(自身を含む): 453841920

約数和(自身を除く): 247024180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1660, 2573, 4019, 5146, 8038, 10292, 12865, 16076, 20095, 25730, 40190, 51460, 80380, 124589, 249178, 333577, 498356, 622945, 667154, 1245890, 1334308, 1667885, 2491780, 3335770, 6671540, 10340887, 20681774, 41363548, 51704435, 103408870, 206817740]

約数ペア:

[(1, 206817740), (2, 103408870), (4, 51704435), (5, 41363548), (10, 20681774), (20, 10340887), (31, 6671540), (62, 3335770), (83, 2491780), (124, 1667885), (155, 1334308), (166, 1245890), (310, 667154), (332, 622945), (415, 498356), (620, 333577), (830, 249178), (1660, 124589), (2573, 80380), (4019, 51460), (5146, 40190), (8038, 25730), (10292, 20095), (12865, 16076)]