1380453940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{55351}}^1$

素因数の和:55432

約数の個数: 48

約数和(自身を含む): 3068714880

約数和(自身を除く): 1688260940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 2494, 4988, 6235, 12470, 24940, 55351, 110702, 221404, 276755, 553510, 1107020, 1605179, 2380093, 3210358, 4760186, 6420716, 8025895, 9520372, 11900465, 16051790, 23800930, 32103580, 47601860, 69022697, 138045394, 276090788, 345113485, 690226970, 1380453940]

約数ペア:

[(1, 1380453940), (2, 690226970), (4, 345113485), (5, 276090788), (10, 138045394), (20, 69022697), (29, 47601860), (43, 32103580), (58, 23800930), (86, 16051790), (116, 11900465), (145, 9520372), (172, 8025895), (215, 6420716), (290, 4760186), (430, 3210358), (580, 2380093), (860, 1605179), (1247, 1107020), (2494, 553510), (4988, 276755), (6235, 221404), (12470, 110702), (24940, 55351)]