827880020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{9929}}^1$

素因数の和:10328

約数の個数: 48

約数和(自身を含む): 1901793600

約数和(自身を除く): 1073913580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 379, 758, 1516, 1895, 3790, 4169, 7580, 8338, 9929, 16676, 19858, 20845, 39716, 41690, 49645, 83380, 99290, 109219, 198580, 218438, 436876, 546095, 1092190, 2184380, 3763091, 7526182, 15052364, 18815455, 37630910, 41394001, 75261820, 82788002, 165576004, 206970005, 413940010, 827880020]

約数ペア:

[(1, 827880020), (2, 413940010), (4, 206970005), (5, 165576004), (10, 82788002), (11, 75261820), (20, 41394001), (22, 37630910), (44, 18815455), (55, 15052364), (110, 7526182), (220, 3763091), (379, 2184380), (758, 1092190), (1516, 546095), (1895, 436876), (3790, 218438), (4169, 198580), (7580, 109219), (8338, 99290), (9929, 83380), (16676, 49645), (19858, 41690), (20845, 39716)]