2190206788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{245209}}^1$

素因数の和:245260

約数の個数: 48

約数和(自身を含む): 4943433600

約数和(自身を除く): 2753226812

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 4466, 8932, 245209, 490418, 980836, 1716463, 2697299, 3432926, 5394598, 6865852, 7111061, 10789196, 14222122, 18881093, 28444244, 37762186, 49777427, 75524372, 78221671, 99554854, 156443342, 199109708, 312886684, 547551697, 1095103394, 2190206788]

約数ペア:

[(1, 2190206788), (2, 1095103394), (4, 547551697), (7, 312886684), (11, 199109708), (14, 156443342), (22, 99554854), (28, 78221671), (29, 75524372), (44, 49777427), (58, 37762186), (77, 28444244), (116, 18881093), (154, 14222122), (203, 10789196), (308, 7111061), (319, 6865852), (406, 5394598), (638, 3432926), (812, 2697299), (1276, 1716463), (2233, 980836), (4466, 490418), (8932, 245209)]