27841870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 32033330

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 89, 109, 178, 205, 218, 287, 410, 445, 545, 574, 623, 763, 890, 1090, 1246, 1435, 1526, 2870, 3115, 3649, 3815, 4469, 6230, 7298, 7630, 8938, 9701, 18245, 19402, 22345, 25543, 31283, 36490, 44690, 48505, 51086, 62566, 67907, 97010, 127715, 135814, 156415, 255430, 312830, 339535, 397741, 679070, 795482, 1988705, 2784187, 3977410, 5568374, 13920935, 27841870]

約数ペア:

[(1, 27841870), (2, 13920935), (5, 5568374), (7, 3977410), (10, 2784187), (14, 1988705), (35, 795482), (41, 679070), (70, 397741), (82, 339535), (89, 312830), (109, 255430), (178, 156415), (205, 135814), (218, 127715), (287, 97010), (410, 67907), (445, 62566), (545, 51086), (574, 48505), (623, 44690), (763, 36490), (890, 31283), (1090, 25543), (1246, 22345), (1435, 19402), (1526, 18245), (2870, 9701), (3115, 8938), (3649, 7630), (3815, 7298), (4469, 6230)]