2059180

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 4359600

約数和(自身を除く): 2300420

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 691, 745, 1382, 1490, 2764, 2980, 3455, 6910, 13820, 102959, 205918, 411836, 514795, 1029590, 2059180]

約数ペア:

[(1, 2059180), (2, 1029590), (4, 514795), (5, 411836), (10, 205918), (20, 102959), (149, 13820), (298, 6910), (596, 3455), (691, 2980), (745, 2764), (1382, 1490)]