31822780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1831}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 73866240

約数和(自身を除く): 42043460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 1831, 3476, 3662, 4345, 7324, 8690, 9155, 17380, 18310, 20141, 36620, 40282, 80564, 100705, 144649, 201410, 289298, 402820, 578596, 723245, 1446490, 1591139, 2892980, 3182278, 6364556, 7955695, 15911390, 31822780]

約数ペア:

[(1, 31822780), (2, 15911390), (4, 7955695), (5, 6364556), (10, 3182278), (11, 2892980), (20, 1591139), (22, 1446490), (44, 723245), (55, 578596), (79, 402820), (110, 289298), (158, 201410), (220, 144649), (316, 100705), (395, 80564), (790, 40282), (869, 36620), (1580, 20141), (1738, 18310), (1831, 17380), (3476, 9155), (3662, 8690), (4345, 7324)]