31347140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3851}}^1$

素因数の和:3908

約数の個数: 48

約数和(自身を含む): 73773504

約数和(自身を除く): 42426364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3851, 4070, 7702, 8140, 15404, 19255, 38510, 42361, 77020, 84722, 142487, 169444, 211805, 284974, 423610, 569948, 712435, 847220, 1424870, 1567357, 2849740, 3134714, 6269428, 7836785, 15673570, 31347140]

約数ペア:

[(1, 31347140), (2, 15673570), (4, 7836785), (5, 6269428), (10, 3134714), (11, 2849740), (20, 1567357), (22, 1424870), (37, 847220), (44, 712435), (55, 569948), (74, 423610), (110, 284974), (148, 211805), (185, 169444), (220, 142487), (370, 84722), (407, 77020), (740, 42361), (814, 38510), (1628, 19255), (2035, 15404), (3851, 8140), (4070, 7702)]