1390316765

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1979}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 1796256000

約数和(自身を除く): 405939235

約数列:

[1, 5, 23, 41, 115, 149, 205, 745, 943, 1979, 3427, 4715, 6109, 9895, 17135, 30545, 45517, 81139, 140507, 227585, 294871, 405695, 702535, 1474355, 1866197, 6782033, 9330985, 12089711, 33910165, 60448555, 278063353, 1390316765]

約数ペア:

[(1, 1390316765), (5, 278063353), (23, 60448555), (41, 33910165), (115, 12089711), (149, 9330985), (205, 6782033), (745, 1866197), (943, 1474355), (1979, 702535), (3427, 405695), (4715, 294871), (6109, 227585), (9895, 140507), (17135, 81139), (30545, 45517)]