2153542790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{345673}}^1$

素因数の和:345776

約数の個数: 32

約数和(自身を含む): 4479935040

約数和(自身を除く): 2326392250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 345673, 691346, 1728365, 2419711, 3456730, 4839422, 12098555, 24197110, 30764897, 61529794, 153824485, 215354279, 307648970, 430708558, 1076771395, 2153542790]

約数ペア:

[(1, 2153542790), (2, 1076771395), (5, 430708558), (7, 307648970), (10, 215354279), (14, 153824485), (35, 61529794), (70, 30764897), (89, 24197110), (178, 12098555), (445, 4839422), (623, 3456730), (890, 2419711), (1246, 1728365), (3115, 691346), (6230, 345673)]