122753150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 72

約数和(自身を含む): 251881200

約数和(自身を除く): 129128050

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 130, 146, 169, 199, 325, 338, 365, 398, 650, 730, 845, 949, 995, 1690, 1825, 1898, 1990, 2587, 3650, 4225, 4745, 4975, 5174, 8450, 9490, 9950, 12337, 12935, 14527, 23725, 24674, 25870, 29054, 33631, 47450, 61685, 64675, 67262, 72635, 123370, 129350, 145270, 168155, 188851, 308425, 336310, 363175, 377702, 616850, 726350, 840775, 944255, 1681550, 1888510, 2455063, 4721275, 4910126, 9442550, 12275315, 24550630, 61376575, 122753150]

約数ペア:

[(1, 122753150), (2, 61376575), (5, 24550630), (10, 12275315), (13, 9442550), (25, 4910126), (26, 4721275), (50, 2455063), (65, 1888510), (73, 1681550), (130, 944255), (146, 840775), (169, 726350), (199, 616850), (325, 377702), (338, 363175), (365, 336310), (398, 308425), (650, 188851), (730, 168155), (845, 145270), (949, 129350), (995, 123370), (1690, 72635), (1825, 67262), (1898, 64675), (1990, 61685), (2587, 47450), (3650, 33631), (4225, 29054), (4745, 25870), (4975, 24674), (5174, 23725), (8450, 14527), (9490, 12935), (9950, 12337)]