245650660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{743}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 526966272

約数和(自身を除く): 281315612

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 271, 305, 542, 610, 743, 1084, 1220, 1355, 1486, 2710, 2972, 3715, 5420, 7430, 14860, 16531, 33062, 45323, 66124, 82655, 90646, 165310, 181292, 201353, 226615, 330620, 402706, 453230, 805412, 906460, 1006765, 2013530, 4027060, 12282533, 24565066, 49130132, 61412665, 122825330, 245650660]

約数ペア:

[(1, 245650660), (2, 122825330), (4, 61412665), (5, 49130132), (10, 24565066), (20, 12282533), (61, 4027060), (122, 2013530), (244, 1006765), (271, 906460), (305, 805412), (542, 453230), (610, 402706), (743, 330620), (1084, 226615), (1220, 201353), (1355, 181292), (1486, 165310), (2710, 90646), (2972, 82655), (3715, 66124), (5420, 45323), (7430, 33062), (14860, 16531)]