120988840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61729}}^1$

素因数の和:61754

約数の個数: 48

約数和(自身を含む): 316674900

約数和(自身を除く): 195686060

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, 61729, 123458, 246916, 308645, 432103, 493832, 617290, 864206, 1234580, 1728412, 2160515, 2469160, 3024721, 3456824, 4321030, 6049442, 8642060, 12098884, 15123605, 17284120, 24197768, 30247210, 60494420, 120988840]

約数ペア:

[(1, 120988840), (2, 60494420), (4, 30247210), (5, 24197768), (7, 17284120), (8, 15123605), (10, 12098884), (14, 8642060), (20, 6049442), (28, 4321030), (35, 3456824), (40, 3024721), (49, 2469160), (56, 2160515), (70, 1728412), (98, 1234580), (140, 864206), (196, 617290), (245, 493832), (280, 432103), (392, 308645), (490, 246916), (980, 123458), (1960, 61729)]