198431260

素因数分解:

$2^2\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{6151}}^1$

素因数の和:7773

約数の個数: 24

約数和(自身を含む): 417031776

約数和(自身を除く): 218600516

約数列:

[1, 2, 4, 5, 10, 20, 1613, 3226, 6151, 6452, 8065, 12302, 16130, 24604, 30755, 32260, 61510, 123020, 9921563, 19843126, 39686252, 49607815, 99215630, 198431260]

約数ペア:

[(1, 198431260), (2, 99215630), (4, 49607815), (5, 39686252), (10, 19843126), (20, 9921563), (1613, 123020), (3226, 61510), (6151, 32260), (6452, 30755), (8065, 24604), (12302, 16130)]