712400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:168

約数の個数: 60

約数和(自身を含む): 1856652

約数和(自身を除く): 1144252

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 137, 200, 208, 260, 274, 325, 400, 520, 548, 650, 685, 1040, 1096, 1300, 1370, 1781, 2192, 2600, 2740, 3425, 3562, 5200, 5480, 6850, 7124, 8905, 10960, 13700, 14248, 17810, 27400, 28496, 35620, 44525, 54800, 71240, 89050, 142480, 178100, 356200, 712400]

約数ペア:

[(1, 712400), (2, 356200), (4, 178100), (5, 142480), (8, 89050), (10, 71240), (13, 54800), (16, 44525), (20, 35620), (25, 28496), (26, 27400), (40, 17810), (50, 14248), (52, 13700), (65, 10960), (80, 8905), (100, 7124), (104, 6850), (130, 5480), (137, 5200), (200, 3562), (208, 3425), (260, 2740), (274, 2600), (325, 2192), (400, 1781), (520, 1370), (548, 1300), (650, 1096), (685, 1040)]