5536580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 13499136

約数和(自身を除く): 7962556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 557, 710, 994, 1114, 1420, 1988, 2228, 2485, 2785, 3899, 4970, 5570, 7798, 9940, 11140, 15596, 19495, 38990, 39547, 77980, 79094, 158188, 197735, 276829, 395470, 553658, 790940, 1107316, 1384145, 2768290, 5536580]

約数ペア:

[(1, 5536580), (2, 2768290), (4, 1384145), (5, 1107316), (7, 790940), (10, 553658), (14, 395470), (20, 276829), (28, 197735), (35, 158188), (70, 79094), (71, 77980), (140, 39547), (142, 38990), (284, 19495), (355, 15596), (497, 11140), (557, 9940), (710, 7798), (994, 5570), (1114, 4970), (1420, 3899), (1988, 2785), (2228, 2485)]