191555780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13901}}^1$

素因数の和:13976

約数の個数: 48

約数和(自身を含む): 441416304

約数和(自身を除く): 249860524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 13901, 27802, 55604, 69505, 139010, 180713, 278020, 361426, 722852, 736753, 903565, 1473506, 1807130, 2947012, 3614260, 3683765, 7367530, 9577789, 14735060, 19155578, 38311156, 47888945, 95777890, 191555780]

約数ペア:

[(1, 191555780), (2, 95777890), (4, 47888945), (5, 38311156), (10, 19155578), (13, 14735060), (20, 9577789), (26, 7367530), (52, 3683765), (53, 3614260), (65, 2947012), (106, 1807130), (130, 1473506), (212, 903565), (260, 736753), (265, 722852), (530, 361426), (689, 278020), (1060, 180713), (1378, 139010), (2756, 69505), (3445, 55604), (6890, 27802), (13780, 13901)]