977643020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1\times {\mathrm{1487}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 2087866368

約数和(自身を除く): 1110223348

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 463, 710, 926, 1420, 1487, 1852, 2315, 2974, 4630, 5948, 7435, 9260, 14870, 29740, 32873, 65746, 105577, 131492, 164365, 211154, 328730, 422308, 527885, 657460, 688481, 1055770, 1376962, 2111540, 2753924, 3442405, 6884810, 13769620, 48882151, 97764302, 195528604, 244410755, 488821510, 977643020]

約数ペア:

[(1, 977643020), (2, 488821510), (4, 244410755), (5, 195528604), (10, 97764302), (20, 48882151), (71, 13769620), (142, 6884810), (284, 3442405), (355, 2753924), (463, 2111540), (710, 1376962), (926, 1055770), (1420, 688481), (1487, 657460), (1852, 527885), (2315, 422308), (2974, 328730), (4630, 211154), (5948, 164365), (7435, 131492), (9260, 105577), (14870, 65746), (29740, 32873)]