129828440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{66239}}^1$

素因数の和:66264

約数の個数: 48

約数和(自身を含む): 339811200

約数和(自身を除く): 209982760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 66239, 132478, 264956, 331195, 463673, 529912, 662390, 927346, 1324780, 1854692, 2318365, 2649560, 3245711, 3709384, 4636730, 6491422, 9273460, 12982844, 16228555, 18546920, 25965688, 32457110, 64914220, 129828440]

約数ペア:

[(1, 129828440), (2, 64914220), (4, 32457110), (5, 25965688), (7, 18546920), (8, 16228555), (10, 12982844), (14, 9273460), (20, 6491422), (28, 4636730), (35, 3709384), (40, 3245711), (49, 2649560), (56, 2318365), (70, 1854692), (98, 1324780), (140, 927346), (196, 662390), (245, 529912), (280, 463673), (392, 331195), (490, 264956), (980, 132478), (1960, 66239)]