2783604340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{25981}}^1$

素因数の和:26488

約数の個数: 48

約数和(自身を含む): 6390324864

約数和(自身を除く): 3606720524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 487, 974, 1948, 2435, 4870, 5357, 9740, 10714, 21428, 25981, 26785, 51962, 53570, 103924, 107140, 129905, 259810, 285791, 519620, 571582, 1143164, 1428955, 2857910, 5715820, 12652747, 25305494, 50610988, 63263735, 126527470, 139180217, 253054940, 278360434, 556720868, 695901085, 1391802170, 2783604340]

約数ペア:

[(1, 2783604340), (2, 1391802170), (4, 695901085), (5, 556720868), (10, 278360434), (11, 253054940), (20, 139180217), (22, 126527470), (44, 63263735), (55, 50610988), (110, 25305494), (220, 12652747), (487, 5715820), (974, 2857910), (1948, 1428955), (2435, 1143164), (4870, 571582), (5357, 519620), (9740, 285791), (10714, 259810), (21428, 129905), (25981, 107140), (26785, 103924), (51962, 53570)]