287331320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101173}}^1$

素因数の和:101255

約数の個数: 32

約数和(自身を含む): 655607520

約数和(自身を除く): 368276200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 101173, 202346, 404692, 505865, 809384, 1011730, 2023460, 4046920, 7183283, 14366566, 28733132, 35916415, 57466264, 71832830, 143665660, 287331320]

約数ペア:

[(1, 287331320), (2, 143665660), (4, 71832830), (5, 57466264), (8, 35916415), (10, 28733132), (20, 14366566), (40, 7183283), (71, 4046920), (142, 2023460), (284, 1011730), (355, 809384), (568, 505865), (710, 404692), (1420, 202346), (2840, 101173)]