919968980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{345853}}^1$

素因数の和:345888

約数の個数: 48

約数和(自身を含む): 2324138880

約数和(自身を除く): 1404169900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 345853, 691706, 1383412, 1729265, 2420971, 3458530, 4841942, 6571207, 6917060, 9683884, 12104855, 13142414, 24209710, 26284828, 32856035, 45998449, 48419420, 65712070, 91996898, 131424140, 183993796, 229992245, 459984490, 919968980]

約数ペア:

[(1, 919968980), (2, 459984490), (4, 229992245), (5, 183993796), (7, 131424140), (10, 91996898), (14, 65712070), (19, 48419420), (20, 45998449), (28, 32856035), (35, 26284828), (38, 24209710), (70, 13142414), (76, 12104855), (95, 9683884), (133, 6917060), (140, 6571207), (190, 4841942), (266, 3458530), (380, 2420971), (532, 1729265), (665, 1383412), (1330, 691706), (2660, 345853)]