128519250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{349}}^1\times {\mathrm{491}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 322358400

約数和(自身を除く): 193839150

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 349, 375, 491, 698, 750, 982, 1047, 1473, 1745, 2094, 2455, 2946, 3490, 4910, 5235, 7365, 8725, 10470, 12275, 14730, 17450, 24550, 26175, 36825, 43625, 52350, 61375, 73650, 87250, 122750, 130875, 171359, 184125, 261750, 342718, 368250, 514077, 856795, 1028154, 1713590, 2570385, 4283975, 5140770, 8567950, 12851925, 21419875, 25703850, 42839750, 64259625, 128519250]

約数ペア:

[(1, 128519250), (2, 64259625), (3, 42839750), (5, 25703850), (6, 21419875), (10, 12851925), (15, 8567950), (25, 5140770), (30, 4283975), (50, 2570385), (75, 1713590), (125, 1028154), (150, 856795), (250, 514077), (349, 368250), (375, 342718), (491, 261750), (698, 184125), (750, 171359), (982, 130875), (1047, 122750), (1473, 87250), (1745, 73650), (2094, 61375), (2455, 52350), (2946, 43625), (3490, 36825), (4910, 26175), (5235, 24550), (7365, 17450), (8725, 14730), (10470, 12275)]