252395440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{286813}}^1$

素因数の和:286837

約数の個数: 40

約数和(自身を含む): 640168848

約数和(自身を除く): 387773408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 286813, 573626, 1147252, 1434065, 2294504, 2868130, 3154943, 4589008, 5736260, 6309886, 11472520, 12619772, 15774715, 22945040, 25239544, 31549430, 50479088, 63098860, 126197720, 252395440]

約数ペア:

[(1, 252395440), (2, 126197720), (4, 63098860), (5, 50479088), (8, 31549430), (10, 25239544), (11, 22945040), (16, 15774715), (20, 12619772), (22, 11472520), (40, 6309886), (44, 5736260), (55, 4589008), (80, 3154943), (88, 2868130), (110, 2294504), (176, 1434065), (220, 1147252), (440, 573626), (880, 286813)]