279527240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1867}}^1$

素因数の和:2094

約数の個数: 64

約数和(自身を含む): 665755200

約数和(自身を除く): 386227960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 380, 394, 760, 788, 985, 1576, 1867, 1970, 3734, 3743, 3940, 7468, 7486, 7880, 9335, 14936, 14972, 18670, 18715, 29944, 35473, 37340, 37430, 70946, 74680, 74860, 141892, 149720, 177365, 283784, 354730, 367799, 709460, 735598, 1418920, 1471196, 1838995, 2942392, 3677990, 6988181, 7355980, 13976362, 14711960, 27952724, 34940905, 55905448, 69881810, 139763620, 279527240]

約数ペア:

[(1, 279527240), (2, 139763620), (4, 69881810), (5, 55905448), (8, 34940905), (10, 27952724), (19, 14711960), (20, 13976362), (38, 7355980), (40, 6988181), (76, 3677990), (95, 2942392), (152, 1838995), (190, 1471196), (197, 1418920), (380, 735598), (394, 709460), (760, 367799), (788, 354730), (985, 283784), (1576, 177365), (1867, 149720), (1970, 141892), (3734, 74860), (3743, 74680), (3940, 70946), (7468, 37430), (7486, 37340), (7880, 35473), (9335, 29944), (14936, 18715), (14972, 18670)]