470105870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{19979}}^1$

素因数の和:20180

約数の個数: 32

約数和(自身を含む): 916362720

約数和(自身を除く): 446256850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 905, 1810, 2353, 4706, 11765, 19979, 23530, 39958, 99895, 199790, 259727, 519454, 1298635, 2597270, 3616199, 7232398, 18080995, 36161990, 47010587, 94021174, 235052935, 470105870]

約数ペア:

[(1, 470105870), (2, 235052935), (5, 94021174), (10, 47010587), (13, 36161990), (26, 18080995), (65, 7232398), (130, 3616199), (181, 2597270), (362, 1298635), (905, 519454), (1810, 259727), (2353, 199790), (4706, 99895), (11765, 39958), (19979, 23530)]