157948120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{358973}}^1$

素因数の和:358995

約数の個数: 32

約数和(自身を含む): 387691920

約数和(自身を除く): 229743800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 358973, 717946, 1435892, 1794865, 2871784, 3589730, 3948703, 7179460, 7897406, 14358920, 15794812, 19743515, 31589624, 39487030, 78974060, 157948120]

約数ペア:

[(1, 157948120), (2, 78974060), (4, 39487030), (5, 31589624), (8, 19743515), (10, 15794812), (11, 14358920), (20, 7897406), (22, 7179460), (40, 3948703), (44, 3589730), (55, 2871784), (88, 1794865), (110, 1435892), (220, 717946), (440, 358973)]