823974425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 1130880000

約数和(自身を除く): 306905575

約数列:

[1, 5, 19, 23, 25, 95, 115, 199, 379, 437, 475, 575, 995, 1895, 2185, 3781, 4577, 4975, 7201, 8717, 9475, 10925, 18905, 22885, 36005, 43585, 75421, 86963, 94525, 114425, 165623, 180025, 217925, 377105, 434815, 828115, 1432999, 1734683, 1885525, 2174075, 4140575, 7164995, 8673415, 32958977, 35824975, 43367075, 164794885, 823974425]

約数ペア:

[(1, 823974425), (5, 164794885), (19, 43367075), (23, 35824975), (25, 32958977), (95, 8673415), (115, 7164995), (199, 4140575), (379, 2174075), (437, 1885525), (475, 1734683), (575, 1432999), (995, 828115), (1895, 434815), (2185, 377105), (3781, 217925), (4577, 180025), (4975, 165623), (7201, 114425), (8717, 94525), (9475, 86963), (10925, 75421), (18905, 43585), (22885, 36005)]