28002590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:953

約数の個数: 64

約数和(自身を含む): 64447488

約数和(自身を除く): 36444898

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 41, 55, 70, 77, 82, 110, 154, 205, 287, 385, 410, 451, 574, 770, 887, 902, 1435, 1774, 2255, 2870, 3157, 4435, 4510, 6209, 6314, 8870, 9757, 12418, 15785, 19514, 31045, 31570, 36367, 48785, 62090, 68299, 72734, 97570, 136598, 181835, 254569, 341495, 363670, 400037, 509138, 682990, 800074, 1272845, 2000185, 2545690, 2800259, 4000370, 5600518, 14001295, 28002590]

約数ペア:

[(1, 28002590), (2, 14001295), (5, 5600518), (7, 4000370), (10, 2800259), (11, 2545690), (14, 2000185), (22, 1272845), (35, 800074), (41, 682990), (55, 509138), (70, 400037), (77, 363670), (82, 341495), (110, 254569), (154, 181835), (205, 136598), (287, 97570), (385, 72734), (410, 68299), (451, 62090), (574, 48785), (770, 36367), (887, 31570), (902, 31045), (1435, 19514), (1774, 15785), (2255, 12418), (2870, 9757), (3157, 8870), (4435, 6314), (4510, 6209)]