77318540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{857}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 175567392

約数和(自身を除く): 98248852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347, 694, 857, 1388, 1714, 1735, 3428, 3470, 4285, 4511, 6940, 8570, 9022, 11141, 17140, 18044, 22282, 22555, 44564, 45110, 55705, 90220, 111410, 222820, 297379, 594758, 1189516, 1486895, 2973790, 3865927, 5947580, 7731854, 15463708, 19329635, 38659270, 77318540]

約数ペア:

[(1, 77318540), (2, 38659270), (4, 19329635), (5, 15463708), (10, 7731854), (13, 5947580), (20, 3865927), (26, 2973790), (52, 1486895), (65, 1189516), (130, 594758), (260, 297379), (347, 222820), (694, 111410), (857, 90220), (1388, 55705), (1714, 45110), (1735, 44564), (3428, 22555), (3470, 22282), (4285, 18044), (4511, 17140), (6940, 11141), (8570, 9022)]