7149220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 16708608

約数和(自身を除く): 9559388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 887, 1612, 1774, 2015, 3548, 4030, 4435, 8060, 8870, 11531, 17740, 23062, 27497, 46124, 54994, 57655, 109988, 115310, 137485, 230620, 274970, 357461, 549940, 714922, 1429844, 1787305, 3574610, 7149220]

約数ペア:

[(1, 7149220), (2, 3574610), (4, 1787305), (5, 1429844), (10, 714922), (13, 549940), (20, 357461), (26, 274970), (31, 230620), (52, 137485), (62, 115310), (65, 109988), (124, 57655), (130, 54994), (155, 46124), (260, 27497), (310, 23062), (403, 17740), (620, 11531), (806, 8870), (887, 8060), (1612, 4435), (1774, 4030), (2015, 3548)]