278318300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{214091}}^1$

素因数の和:214118

約数の個数: 36

約数和(自身を含む): 650411496

約数和(自身を除く): 372093196

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 214091, 428182, 856364, 1070455, 2140910, 2783183, 4281820, 5352275, 5566366, 10704550, 11132732, 13915915, 21409100, 27831830, 55663660, 69579575, 139159150, 278318300]

約数ペア:

[(1, 278318300), (2, 139159150), (4, 69579575), (5, 55663660), (10, 27831830), (13, 21409100), (20, 13915915), (25, 11132732), (26, 10704550), (50, 5566366), (52, 5352275), (65, 4281820), (100, 2783183), (130, 2140910), (260, 1070455), (325, 856364), (650, 428182), (1300, 214091)]