81428500

素因数分解:

$2^2\times 5^3\times {\mathrm{149}}^1\times {\mathrm{1093}}^1$

素因数の和:1261

約数の個数: 48

約数和(自身を含む): 179197200

約数和(自身を除く): 97768700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 149, 250, 298, 500, 596, 745, 1093, 1490, 2186, 2980, 3725, 4372, 5465, 7450, 10930, 14900, 18625, 21860, 27325, 37250, 54650, 74500, 109300, 136625, 162857, 273250, 325714, 546500, 651428, 814285, 1628570, 3257140, 4071425, 8142850, 16285700, 20357125, 40714250, 81428500]

約数ペア:

[(1, 81428500), (2, 40714250), (4, 20357125), (5, 16285700), (10, 8142850), (20, 4071425), (25, 3257140), (50, 1628570), (100, 814285), (125, 651428), (149, 546500), (250, 325714), (298, 273250), (500, 162857), (596, 136625), (745, 109300), (1093, 74500), (1490, 54650), (2186, 37250), (2980, 27325), (3725, 21860), (4372, 18625), (5465, 14900), (7450, 10930)]