279903650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:564

約数の個数: 96

約数和(自身を含む): 599961600

約数和(自身を除く): 320057950

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 31, 50, 58, 62, 65, 130, 145, 155, 290, 310, 325, 377, 403, 479, 650, 725, 754, 775, 806, 899, 958, 1450, 1550, 1798, 1885, 2015, 2395, 3770, 4030, 4495, 4790, 6227, 8990, 9425, 10075, 11687, 11975, 12454, 13891, 14849, 18850, 20150, 22475, 23374, 23950, 27782, 29698, 31135, 44950, 58435, 62270, 69455, 74245, 116870, 138910, 148490, 155675, 180583, 193037, 292175, 311350, 347275, 361166, 371225, 386074, 430621, 584350, 694550, 742450, 861242, 902915, 965185, 1805830, 1930370, 2153105, 4306210, 4514575, 4825925, 5598073, 9029150, 9651850, 10765525, 11196146, 21531050, 27990365, 55980730, 139951825, 279903650]

約数ペア:

[(1, 279903650), (2, 139951825), (5, 55980730), (10, 27990365), (13, 21531050), (25, 11196146), (26, 10765525), (29, 9651850), (31, 9029150), (50, 5598073), (58, 4825925), (62, 4514575), (65, 4306210), (130, 2153105), (145, 1930370), (155, 1805830), (290, 965185), (310, 902915), (325, 861242), (377, 742450), (403, 694550), (479, 584350), (650, 430621), (725, 386074), (754, 371225), (775, 361166), (806, 347275), (899, 311350), (958, 292175), (1450, 193037), (1550, 180583), (1798, 155675), (1885, 148490), (2015, 138910), (2395, 116870), (3770, 74245), (4030, 69455), (4495, 62270), (4790, 58435), (6227, 44950), (8990, 31135), (9425, 29698), (10075, 27782), (11687, 23950), (11975, 23374), (12454, 22475), (13891, 20150), (14849, 18850)]