420786825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4159}}^1$

素因数の和:4262

約数の個数: 48

約数和(自身を含む): 742809600

約数和(自身を除く): 322022775

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 95, 213, 285, 355, 475, 1065, 1349, 1425, 1775, 4047, 4159, 5325, 6745, 12477, 20235, 20795, 33725, 62385, 79021, 101175, 103975, 237063, 295289, 311925, 395105, 885867, 1185315, 1476445, 1975525, 4429335, 5610491, 5926575, 7382225, 16831473, 22146675, 28052455, 84157365, 140262275, 420786825]

約数ペア:

[(1, 420786825), (3, 140262275), (5, 84157365), (15, 28052455), (19, 22146675), (25, 16831473), (57, 7382225), (71, 5926575), (75, 5610491), (95, 4429335), (213, 1975525), (285, 1476445), (355, 1185315), (475, 885867), (1065, 395105), (1349, 311925), (1425, 295289), (1775, 237063), (4047, 103975), (4159, 101175), (5325, 79021), (6745, 62385), (12477, 33725), (20235, 20795)]