68945540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1019}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 154224000

約数和(自身を除く): 85278460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 398, 796, 995, 1019, 1990, 2038, 3383, 3980, 4076, 5095, 6766, 10190, 13532, 16915, 17323, 20380, 33830, 34646, 67660, 69292, 86615, 173230, 202781, 346460, 405562, 811124, 1013905, 2027810, 3447277, 4055620, 6894554, 13789108, 17236385, 34472770, 68945540]

約数ペア:

[(1, 68945540), (2, 34472770), (4, 17236385), (5, 13789108), (10, 6894554), (17, 4055620), (20, 3447277), (34, 2027810), (68, 1013905), (85, 811124), (170, 405562), (199, 346460), (340, 202781), (398, 173230), (796, 86615), (995, 69292), (1019, 67660), (1990, 34646), (2038, 33830), (3383, 20380), (3980, 17323), (4076, 16915), (5095, 13532), (6766, 10190)]