2921750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 6289920

約数和(自身を除く): 3368170

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 31, 50, 58, 62, 65, 125, 130, 145, 155, 250, 290, 310, 325, 377, 403, 650, 725, 754, 775, 806, 899, 1450, 1550, 1625, 1798, 1885, 2015, 3250, 3625, 3770, 3875, 4030, 4495, 7250, 7750, 8990, 9425, 10075, 11687, 18850, 20150, 22475, 23374, 44950, 47125, 50375, 58435, 94250, 100750, 112375, 116870, 224750, 292175, 584350, 1460875, 2921750]

約数ペア:

[(1, 2921750), (2, 1460875), (5, 584350), (10, 292175), (13, 224750), (25, 116870), (26, 112375), (29, 100750), (31, 94250), (50, 58435), (58, 50375), (62, 47125), (65, 44950), (125, 23374), (130, 22475), (145, 20150), (155, 18850), (250, 11687), (290, 10075), (310, 9425), (325, 8990), (377, 7750), (403, 7250), (650, 4495), (725, 4030), (754, 3875), (775, 3770), (806, 3625), (899, 3250), (1450, 2015), (1550, 1885), (1625, 1798)]