210755380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1193}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 493556616

約数和(自身を除く): 282801236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 121, 146, 220, 242, 292, 365, 484, 605, 730, 803, 1193, 1210, 1460, 1606, 2386, 2420, 3212, 4015, 4772, 5965, 8030, 8833, 11930, 13123, 16060, 17666, 23860, 26246, 35332, 44165, 52492, 65615, 87089, 88330, 131230, 144353, 174178, 176660, 262460, 288706, 348356, 435445, 577412, 721765, 870890, 957979, 1443530, 1741780, 1915958, 2887060, 3831916, 4789895, 9579790, 10537769, 19159580, 21075538, 42151076, 52688845, 105377690, 210755380]

約数ペア:

[(1, 210755380), (2, 105377690), (4, 52688845), (5, 42151076), (10, 21075538), (11, 19159580), (20, 10537769), (22, 9579790), (44, 4789895), (55, 3831916), (73, 2887060), (110, 1915958), (121, 1741780), (146, 1443530), (220, 957979), (242, 870890), (292, 721765), (365, 577412), (484, 435445), (605, 348356), (730, 288706), (803, 262460), (1193, 176660), (1210, 174178), (1460, 144353), (1606, 131230), (2386, 88330), (2420, 87089), (3212, 65615), (4015, 52492), (4772, 44165), (5965, 35332), (8030, 26246), (8833, 23860), (11930, 17666), (13123, 16060)]