71649950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 141360000

約数和(自身を除く): 69710050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 199, 379, 398, 475, 758, 950, 995, 1895, 1990, 3781, 3790, 4975, 7201, 7562, 9475, 9950, 14402, 18905, 18950, 36005, 37810, 72010, 75421, 94525, 150842, 180025, 189050, 360050, 377105, 754210, 1432999, 1885525, 2865998, 3771050, 7164995, 14329990, 35824975, 71649950]

約数ペア:

[(1, 71649950), (2, 35824975), (5, 14329990), (10, 7164995), (19, 3771050), (25, 2865998), (38, 1885525), (50, 1432999), (95, 754210), (190, 377105), (199, 360050), (379, 189050), (398, 180025), (475, 150842), (758, 94525), (950, 75421), (995, 72010), (1895, 37810), (1990, 36005), (3781, 18950), (3790, 18905), (4975, 14402), (7201, 9950), (7562, 9475)]