220141940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{5953}}^1$

素因数の和:6048

約数の個数: 36

約数和(自身を含む): 473378724

約数和(自身を除く): 253236784

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3698, 5953, 7396, 9245, 11906, 18490, 23812, 29765, 36980, 59530, 119060, 255979, 511958, 1023916, 1279895, 2559790, 5119580, 11007097, 22014194, 44028388, 55035485, 110070970, 220141940]

約数ペア:

[(1, 220141940), (2, 110070970), (4, 55035485), (5, 44028388), (10, 22014194), (20, 11007097), (43, 5119580), (86, 2559790), (172, 1279895), (215, 1023916), (430, 511958), (860, 255979), (1849, 119060), (3698, 59530), (5953, 36980), (7396, 29765), (9245, 23812), (11906, 18490)]