8911420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1201}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 21809088

約数和(自身を除く): 12897668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1201, 1484, 1855, 2402, 3710, 4804, 6005, 7420, 8407, 12010, 16814, 24020, 33628, 42035, 63653, 84070, 127306, 168140, 254612, 318265, 445571, 636530, 891142, 1273060, 1782284, 2227855, 4455710, 8911420]

約数ペア:

[(1, 8911420), (2, 4455710), (4, 2227855), (5, 1782284), (7, 1273060), (10, 891142), (14, 636530), (20, 445571), (28, 318265), (35, 254612), (53, 168140), (70, 127306), (106, 84070), (140, 63653), (212, 42035), (265, 33628), (371, 24020), (530, 16814), (742, 12010), (1060, 8407), (1201, 7420), (1484, 6005), (1855, 4804), (2402, 3710)]