291254020

素因数分解:

$2^2\times 5^1\times {\mathrm{2467}}^1\times {\mathrm{5903}}^1$

素因数の和:8379

約数の個数: 24

約数和(自身を含む): 611985024

約数和(自身を除く): 320731004

約数列:

[1, 2, 4, 5, 10, 20, 2467, 4934, 5903, 9868, 11806, 12335, 23612, 24670, 29515, 49340, 59030, 118060, 14562701, 29125402, 58250804, 72813505, 145627010, 291254020]

約数ペア:

[(1, 291254020), (2, 145627010), (4, 72813505), (5, 58250804), (10, 29125402), (20, 14562701), (2467, 118060), (4934, 59030), (5903, 49340), (9868, 29515), (11806, 24670), (12335, 23612)]