187209620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23227}}^1$

素因数の和:23280

約数の個数: 48

約数和(自身を含む): 437058048

約数和(自身を除く): 249848428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 23227, 46454, 92908, 116135, 232270, 301951, 464540, 603902, 720037, 1207804, 1440074, 1509755, 2880148, 3019510, 3600185, 6039020, 7200370, 9360481, 14400740, 18720962, 37441924, 46802405, 93604810, 187209620]

約数ペア:

[(1, 187209620), (2, 93604810), (4, 46802405), (5, 37441924), (10, 18720962), (13, 14400740), (20, 9360481), (26, 7200370), (31, 6039020), (52, 3600185), (62, 3019510), (65, 2880148), (124, 1509755), (130, 1440074), (155, 1207804), (260, 720037), (310, 603902), (403, 464540), (620, 301951), (806, 232270), (1612, 116135), (2015, 92908), (4030, 46454), (8060, 23227)]