240868940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71263}}^1$

素因数の和:71298

約数の個数: 36

約数和(自身を含む): 547735104

約数和(自身を除く): 306866164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 71263, 142526, 285052, 356315, 712630, 926419, 1425260, 1852838, 3705676, 4632095, 9264190, 12043447, 18528380, 24086894, 48173788, 60217235, 120434470, 240868940]

約数ペア:

[(1, 240868940), (2, 120434470), (4, 60217235), (5, 48173788), (10, 24086894), (13, 18528380), (20, 12043447), (26, 9264190), (52, 4632095), (65, 3705676), (130, 1852838), (169, 1425260), (260, 926419), (338, 712630), (676, 356315), (845, 285052), (1690, 142526), (3380, 71263)]