157030280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{356887}}^1$

素因数の和:356909

約数の個数: 32

約数和(自身を含む): 385439040

約数和(自身を除く): 228408760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 356887, 713774, 1427548, 1784435, 2855096, 3568870, 3925757, 7137740, 7851514, 14275480, 15703028, 19628785, 31406056, 39257570, 78515140, 157030280]

約数ペア:

[(1, 157030280), (2, 78515140), (4, 39257570), (5, 31406056), (8, 19628785), (10, 15703028), (11, 14275480), (20, 7851514), (22, 7137740), (40, 3925757), (44, 3568870), (55, 2855096), (88, 1784435), (110, 1427548), (220, 713774), (440, 356887)]