31828000

素因数分解:

$2^5\times 5^3\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 79999920

約数和(自身を除く): 48171920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 73, 80, 100, 109, 125, 146, 160, 200, 218, 250, 292, 365, 400, 436, 500, 545, 584, 730, 800, 872, 1000, 1090, 1168, 1460, 1744, 1825, 2000, 2180, 2336, 2725, 2920, 3488, 3650, 4000, 4360, 5450, 5840, 7300, 7957, 8720, 9125, 10900, 11680, 13625, 14600, 15914, 17440, 18250, 21800, 27250, 29200, 31828, 36500, 39785, 43600, 54500, 58400, 63656, 73000, 79570, 87200, 109000, 127312, 146000, 159140, 198925, 218000, 254624, 292000, 318280, 397850, 436000, 636560, 795700, 994625, 1273120, 1591400, 1989250, 3182800, 3978500, 6365600, 7957000, 15914000, 31828000]

約数ペア:

[(1, 31828000), (2, 15914000), (4, 7957000), (5, 6365600), (8, 3978500), (10, 3182800), (16, 1989250), (20, 1591400), (25, 1273120), (32, 994625), (40, 795700), (50, 636560), (73, 436000), (80, 397850), (100, 318280), (109, 292000), (125, 254624), (146, 218000), (160, 198925), (200, 159140), (218, 146000), (250, 127312), (292, 109000), (365, 87200), (400, 79570), (436, 73000), (500, 63656), (545, 58400), (584, 54500), (730, 43600), (800, 39785), (872, 36500), (1000, 31828), (1090, 29200), (1168, 27250), (1460, 21800), (1744, 18250), (1825, 17440), (2000, 15914), (2180, 14600), (2336, 13625), (2725, 11680), (2920, 10900), (3488, 9125), (3650, 8720), (4000, 7957), (4360, 7300), (5450, 5840)]