31454440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 74241360

約数和(自身を除く): 42786920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 148, 185, 212, 265, 296, 370, 401, 424, 530, 740, 802, 1060, 1480, 1604, 1961, 2005, 2120, 3208, 3922, 4010, 7844, 8020, 9805, 14837, 15688, 16040, 19610, 21253, 29674, 39220, 42506, 59348, 74185, 78440, 85012, 106265, 118696, 148370, 170024, 212530, 296740, 425060, 593480, 786361, 850120, 1572722, 3145444, 3931805, 6290888, 7863610, 15727220, 31454440]

約数ペア:

[(1, 31454440), (2, 15727220), (4, 7863610), (5, 6290888), (8, 3931805), (10, 3145444), (20, 1572722), (37, 850120), (40, 786361), (53, 593480), (74, 425060), (106, 296740), (148, 212530), (185, 170024), (212, 148370), (265, 118696), (296, 106265), (370, 85012), (401, 78440), (424, 74185), (530, 59348), (740, 42506), (802, 39220), (1060, 29674), (1480, 21253), (1604, 19610), (1961, 16040), (2005, 15688), (2120, 14837), (3208, 9805), (3922, 8020), (4010, 7844)]