17285140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 37699200

約数和(自身を除く): 20414060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 199, 202, 215, 398, 404, 430, 505, 796, 860, 995, 1010, 1990, 2020, 3980, 4343, 8557, 8686, 17114, 17372, 20099, 21715, 34228, 40198, 42785, 43430, 80396, 85570, 86860, 100495, 171140, 200990, 401980, 864257, 1728514, 3457028, 4321285, 8642570, 17285140]

約数ペア:

[(1, 17285140), (2, 8642570), (4, 4321285), (5, 3457028), (10, 1728514), (20, 864257), (43, 401980), (86, 200990), (101, 171140), (172, 100495), (199, 86860), (202, 85570), (215, 80396), (398, 43430), (404, 42785), (430, 40198), (505, 34228), (796, 21715), (860, 20099), (995, 17372), (1010, 17114), (1990, 8686), (2020, 8557), (3980, 4343)]