256861330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137359}}^1$

素因数の和:137394

約数の個数: 32

約数和(自身を含む): 534055680

約数和(自身を除く): 277194350

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 137359, 274718, 686795, 1373590, 1510949, 2335103, 3021898, 4670206, 7554745, 11675515, 15109490, 23351030, 25686133, 51372266, 128430665, 256861330]

約数ペア:

[(1, 256861330), (2, 128430665), (5, 51372266), (10, 25686133), (11, 23351030), (17, 15109490), (22, 11675515), (34, 7554745), (55, 4670206), (85, 3021898), (110, 2335103), (170, 1510949), (187, 1373590), (374, 686795), (935, 274718), (1870, 137359)]