2137960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 5417280

約数和(自身を除く): 3279320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 113, 172, 215, 220, 226, 344, 430, 440, 452, 473, 565, 860, 904, 946, 1130, 1243, 1720, 1892, 2260, 2365, 2486, 3784, 4520, 4730, 4859, 4972, 6215, 9460, 9718, 9944, 12430, 18920, 19436, 24295, 24860, 38872, 48590, 49720, 53449, 97180, 106898, 194360, 213796, 267245, 427592, 534490, 1068980, 2137960]

約数ペア:

[(1, 2137960), (2, 1068980), (4, 534490), (5, 427592), (8, 267245), (10, 213796), (11, 194360), (20, 106898), (22, 97180), (40, 53449), (43, 49720), (44, 48590), (55, 38872), (86, 24860), (88, 24295), (110, 19436), (113, 18920), (172, 12430), (215, 9944), (220, 9718), (226, 9460), (344, 6215), (430, 4972), (440, 4859), (452, 4730), (473, 4520), (565, 3784), (860, 2486), (904, 2365), (946, 2260), (1130, 1892), (1243, 1720)]