90509770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 186310656

約数和(自身を除く): 95800886

約数列:

[1, 2, 5, 10, 13, 26, 31, 37, 62, 65, 74, 130, 155, 185, 310, 370, 403, 481, 607, 806, 962, 1147, 1214, 2015, 2294, 2405, 3035, 4030, 4810, 5735, 6070, 7891, 11470, 14911, 15782, 18817, 22459, 29822, 37634, 39455, 44918, 74555, 78910, 94085, 112295, 149110, 188170, 224590, 244621, 291967, 489242, 583934, 696229, 1223105, 1392458, 1459835, 2446210, 2919670, 3481145, 6962290, 9050977, 18101954, 45254885, 90509770]

約数ペア:

[(1, 90509770), (2, 45254885), (5, 18101954), (10, 9050977), (13, 6962290), (26, 3481145), (31, 2919670), (37, 2446210), (62, 1459835), (65, 1392458), (74, 1223105), (130, 696229), (155, 583934), (185, 489242), (310, 291967), (370, 244621), (403, 224590), (481, 188170), (607, 149110), (806, 112295), (962, 94085), (1147, 78910), (1214, 74555), (2015, 44918), (2294, 39455), (2405, 37634), (3035, 29822), (4030, 22459), (4810, 18817), (5735, 15782), (6070, 14911), (7891, 11470)]