538552020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{242591}}^1$

素因数の和:242640

約数の個数: 48

約数和(自身を含む): 1548707328

約数和(自身を除く): 1010155308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 242591, 485182, 727773, 970364, 1212955, 1455546, 2425910, 2911092, 3638865, 4851820, 7277730, 8975867, 14555460, 17951734, 26927601, 35903468, 44879335, 53855202, 89758670, 107710404, 134638005, 179517340, 269276010, 538552020]

約数ペア:

[(1, 538552020), (2, 269276010), (3, 179517340), (4, 134638005), (5, 107710404), (6, 89758670), (10, 53855202), (12, 44879335), (15, 35903468), (20, 26927601), (30, 17951734), (37, 14555460), (60, 8975867), (74, 7277730), (111, 4851820), (148, 3638865), (185, 2911092), (222, 2425910), (370, 1455546), (444, 1212955), (555, 970364), (740, 727773), (1110, 485182), (2220, 242591)]