9922990

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 22809600

約数和(自身を除く): 12886610

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 263, 343, 385, 490, 526, 539, 686, 770, 1078, 1315, 1715, 1841, 2630, 2695, 2893, 3430, 3682, 3773, 5390, 5786, 7546, 9205, 12887, 14465, 18410, 18865, 20251, 25774, 28930, 37730, 40502, 64435, 90209, 101255, 128870, 141757, 180418, 202510, 283514, 451045, 708785, 902090, 992299, 1417570, 1984598, 4961495, 9922990]

約数ペア:

[(1, 9922990), (2, 4961495), (5, 1984598), (7, 1417570), (10, 992299), (11, 902090), (14, 708785), (22, 451045), (35, 283514), (49, 202510), (55, 180418), (70, 141757), (77, 128870), (98, 101255), (110, 90209), (154, 64435), (245, 40502), (263, 37730), (343, 28930), (385, 25774), (490, 20251), (526, 18865), (539, 18410), (686, 14465), (770, 12887), (1078, 9205), (1315, 7546), (1715, 5786), (1841, 5390), (2630, 3773), (2695, 3682), (2893, 3430)]