985728980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{3457}}^1$

素因数の和:3788

約数の個数: 48

約数和(自身を含む): 2117540880

約数和(自身を除く): 1131811900

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 269, 530, 538, 1060, 1076, 1345, 2690, 3457, 5380, 6914, 13828, 14257, 17285, 28514, 34570, 57028, 69140, 71285, 142570, 183221, 285140, 366442, 732884, 916105, 929933, 1832210, 1859866, 3664420, 3719732, 4649665, 9299330, 18598660, 49286449, 98572898, 197145796, 246432245, 492864490, 985728980]

約数ペア:

[(1, 985728980), (2, 492864490), (4, 246432245), (5, 197145796), (10, 98572898), (20, 49286449), (53, 18598660), (106, 9299330), (212, 4649665), (265, 3719732), (269, 3664420), (530, 1859866), (538, 1832210), (1060, 929933), (1076, 916105), (1345, 732884), (2690, 366442), (3457, 285140), (5380, 183221), (6914, 142570), (13828, 71285), (14257, 69140), (17285, 57028), (28514, 34570)]