31055860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 73668168

約数和(自身を除く): 42612308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 313, 410, 451, 484, 605, 626, 820, 902, 1210, 1252, 1565, 1804, 2255, 2420, 3130, 3443, 4510, 4961, 6260, 6886, 9020, 9922, 12833, 13772, 17215, 19844, 24805, 25666, 34430, 37873, 49610, 51332, 64165, 68860, 75746, 99220, 128330, 141163, 151492, 189365, 256660, 282326, 378730, 564652, 705815, 757460, 1411630, 1552793, 2823260, 3105586, 6211172, 7763965, 15527930, 31055860]

約数ペア:

[(1, 31055860), (2, 15527930), (4, 7763965), (5, 6211172), (10, 3105586), (11, 2823260), (20, 1552793), (22, 1411630), (41, 757460), (44, 705815), (55, 564652), (82, 378730), (110, 282326), (121, 256660), (164, 189365), (205, 151492), (220, 141163), (242, 128330), (313, 99220), (410, 75746), (451, 68860), (484, 64165), (605, 51332), (626, 49610), (820, 37873), (902, 34430), (1210, 25666), (1252, 24805), (1565, 19844), (1804, 17215), (2255, 13772), (2420, 12833), (3130, 9922), (3443, 9020), (4510, 6886), (4961, 6260)]