30995600

素因数分解:

$2^4\times 5^2\times {\mathrm{77489}}^1$

素因数の和:77507

約数の個数: 30

約数和(自身を含む): 74467890

約数和(自身を除く): 43472290

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 77489, 154978, 309956, 387445, 619912, 774890, 1239824, 1549780, 1937225, 3099560, 3874450, 6199120, 7748900, 15497800, 30995600]

約数ペア:

[(1, 30995600), (2, 15497800), (4, 7748900), (5, 6199120), (8, 3874450), (10, 3099560), (16, 1937225), (20, 1549780), (25, 1239824), (40, 774890), (50, 619912), (80, 387445), (100, 309956), (200, 154978), (400, 77489)]