221479670

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{17761}}^1$

素因数の和:17840

約数の個数: 32

約数和(自身を含む): 422025120

約数和(自身を除く): 200545450

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 1247, 2494, 6235, 12470, 17761, 35522, 88805, 177610, 515069, 763723, 1030138, 1527446, 2575345, 3818615, 5150690, 7637230, 22147967, 44295934, 110739835, 221479670]

約数ペア:

[(1, 221479670), (2, 110739835), (5, 44295934), (10, 22147967), (29, 7637230), (43, 5150690), (58, 3818615), (86, 2575345), (145, 1527446), (215, 1030138), (290, 763723), (430, 515069), (1247, 177610), (2494, 88805), (6235, 35522), (12470, 17761)]