3618940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 8467200

約数和(自身を除く): 4848260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 449, 620, 806, 898, 1612, 1796, 2015, 2245, 4030, 4490, 5837, 8060, 8980, 11674, 13919, 23348, 27838, 29185, 55676, 58370, 69595, 116740, 139190, 180947, 278380, 361894, 723788, 904735, 1809470, 3618940]

約数ペア:

[(1, 3618940), (2, 1809470), (4, 904735), (5, 723788), (10, 361894), (13, 278380), (20, 180947), (26, 139190), (31, 116740), (52, 69595), (62, 58370), (65, 55676), (124, 29185), (130, 27838), (155, 23348), (260, 13919), (310, 11674), (403, 8980), (449, 8060), (620, 5837), (806, 4490), (898, 4030), (1612, 2245), (1796, 2015)]