272335280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{486313}}^1$

素因数の和:486333

約数の個数: 40

約数和(自身を含む): 723635232

約数和(自身を除く): 451299952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 486313, 972626, 1945252, 2431565, 3404191, 3890504, 4863130, 6808382, 7781008, 9726260, 13616764, 17020955, 19452520, 27233528, 34041910, 38905040, 54467056, 68083820, 136167640, 272335280]

約数ペア:

[(1, 272335280), (2, 136167640), (4, 68083820), (5, 54467056), (7, 38905040), (8, 34041910), (10, 27233528), (14, 19452520), (16, 17020955), (20, 13616764), (28, 9726260), (35, 7781008), (40, 6808382), (56, 4863130), (70, 3890504), (80, 3404191), (112, 2431565), (140, 1945252), (280, 972626), (560, 486313)]