86395850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 170376000

約数和(自身を除く): 83980150

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 199, 398, 457, 475, 914, 950, 995, 1990, 2285, 3781, 4570, 4975, 7562, 8683, 9950, 11425, 17366, 18905, 22850, 37810, 43415, 86830, 90943, 94525, 181886, 189050, 217075, 434150, 454715, 909430, 1727917, 2273575, 3455834, 4547150, 8639585, 17279170, 43197925, 86395850]

約数ペア:

[(1, 86395850), (2, 43197925), (5, 17279170), (10, 8639585), (19, 4547150), (25, 3455834), (38, 2273575), (50, 1727917), (95, 909430), (190, 454715), (199, 434150), (398, 217075), (457, 189050), (475, 181886), (914, 94525), (950, 90943), (995, 86830), (1990, 43415), (2285, 37810), (3781, 22850), (4570, 18905), (4975, 17366), (7562, 11425), (8683, 9950)]