155231330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{19927}}^1$

素因数の和:19994

約数の個数: 32

約数和(自身を含む): 301311360

約数和(自身を除く): 146080030

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 19927, 39854, 99635, 199270, 378613, 757226, 817007, 1634014, 1893065, 3786130, 4085035, 8170070, 15523133, 31046266, 77615665, 155231330]

約数ペア:

[(1, 155231330), (2, 77615665), (5, 31046266), (10, 15523133), (19, 8170070), (38, 4085035), (41, 3786130), (82, 1893065), (95, 1634014), (190, 817007), (205, 757226), (410, 378613), (779, 199270), (1558, 99635), (3895, 39854), (7790, 19927)]