1890480790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{242059}}^1$

素因数の和:242148

約数の個数: 32

約数和(自身を含む): 3764517120

約数和(自身を除く): 1874036330

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 242059, 484118, 1210295, 2420590, 2662649, 5325298, 13313245, 17186189, 26626490, 34372378, 85930945, 171861890, 189048079, 378096158, 945240395, 1890480790]

約数ペア:

[(1, 1890480790), (2, 945240395), (5, 378096158), (10, 189048079), (11, 171861890), (22, 85930945), (55, 34372378), (71, 26626490), (110, 17186189), (142, 13313245), (355, 5325298), (710, 2662649), (781, 2420590), (1562, 1210295), (3905, 484118), (7810, 242059)]