61782820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3847}}^1$

素因数の和:3940

約数の個数: 48

約数和(自身を含む): 143515008

約数和(自身を除く): 81732188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 3847, 4015, 7694, 8030, 15388, 16060, 19235, 38470, 42317, 76940, 84634, 169268, 211585, 280831, 423170, 561662, 846340, 1123324, 1404155, 2808310, 3089141, 5616620, 6178282, 12356564, 15445705, 30891410, 61782820]

約数ペア:

[(1, 61782820), (2, 30891410), (4, 15445705), (5, 12356564), (10, 6178282), (11, 5616620), (20, 3089141), (22, 2808310), (44, 1404155), (55, 1123324), (73, 846340), (110, 561662), (146, 423170), (220, 280831), (292, 211585), (365, 169268), (730, 84634), (803, 76940), (1460, 42317), (1606, 38470), (3212, 19235), (3847, 16060), (4015, 15388), (7694, 8030)]