209664560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8707}}^1$

素因数の和:8770

約数の個数: 80

約数和(自身を含む): 570130176

約数和(自身を除く): 360465616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 6020, 8707, 12040, 17414, 24080, 34828, 43535, 60949, 69656, 87070, 121898, 139312, 174140, 243796, 304745, 348280, 374401, 487592, 609490, 696560, 748802, 975184, 1218980, 1497604, 1872005, 2437960, 2620807, 2995208, 3744010, 4875920, 5241614, 5990416, 7488020, 10483228, 13104035, 14976040, 20966456, 26208070, 29952080, 41932912, 52416140, 104832280, 209664560]

約数ペア:

[(1, 209664560), (2, 104832280), (4, 52416140), (5, 41932912), (7, 29952080), (8, 26208070), (10, 20966456), (14, 14976040), (16, 13104035), (20, 10483228), (28, 7488020), (35, 5990416), (40, 5241614), (43, 4875920), (56, 3744010), (70, 2995208), (80, 2620807), (86, 2437960), (112, 1872005), (140, 1497604), (172, 1218980), (215, 975184), (280, 748802), (301, 696560), (344, 609490), (430, 487592), (560, 374401), (602, 348280), (688, 304745), (860, 243796), (1204, 174140), (1505, 139312), (1720, 121898), (2408, 87070), (3010, 69656), (3440, 60949), (4816, 43535), (6020, 34828), (8707, 24080), (12040, 17414)]