128175500

素因数分解:

$2^2\times 5^3\times {\mathrm{389}}^1\times {\mathrm{659}}^1$

素因数の和:1067

約数の個数: 48

約数和(自身を含む): 281080800

約数和(自身を除く): 152905300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 389, 500, 659, 778, 1318, 1556, 1945, 2636, 3295, 3890, 6590, 7780, 9725, 13180, 16475, 19450, 32950, 38900, 48625, 65900, 82375, 97250, 164750, 194500, 256351, 329500, 512702, 1025404, 1281755, 2563510, 5127020, 6408775, 12817550, 25635100, 32043875, 64087750, 128175500]

約数ペア:

[(1, 128175500), (2, 64087750), (4, 32043875), (5, 25635100), (10, 12817550), (20, 6408775), (25, 5127020), (50, 2563510), (100, 1281755), (125, 1025404), (250, 512702), (389, 329500), (500, 256351), (659, 194500), (778, 164750), (1318, 97250), (1556, 82375), (1945, 65900), (2636, 48625), (3295, 38900), (3890, 32950), (6590, 19450), (7780, 16475), (9725, 13180)]