81503000

素因数分解:

$2^3\times 5^3\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 192348000

約数和(自身を除く): 110845000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 149, 200, 250, 298, 500, 547, 596, 745, 1000, 1094, 1192, 1490, 2188, 2735, 2980, 3725, 4376, 5470, 5960, 7450, 10940, 13675, 14900, 18625, 21880, 27350, 29800, 37250, 54700, 68375, 74500, 81503, 109400, 136750, 149000, 163006, 273500, 326012, 407515, 547000, 652024, 815030, 1630060, 2037575, 3260120, 4075150, 8150300, 10187875, 16300600, 20375750, 40751500, 81503000]

約数ペア:

[(1, 81503000), (2, 40751500), (4, 20375750), (5, 16300600), (8, 10187875), (10, 8150300), (20, 4075150), (25, 3260120), (40, 2037575), (50, 1630060), (100, 815030), (125, 652024), (149, 547000), (200, 407515), (250, 326012), (298, 273500), (500, 163006), (547, 149000), (596, 136750), (745, 109400), (1000, 81503), (1094, 74500), (1192, 68375), (1490, 54700), (2188, 37250), (2735, 29800), (2980, 27350), (3725, 21880), (4376, 18625), (5470, 14900), (5960, 13675), (7450, 10940)]