39438420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{93901}}^1$

素因数の和:93920

約数の個数: 48

約数和(自身を含む): 126204288

約数和(自身を除く): 86765868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 93901, 187802, 281703, 375604, 469505, 563406, 657307, 939010, 1126812, 1314614, 1408515, 1878020, 1971921, 2629228, 2817030, 3286535, 3943842, 5634060, 6573070, 7887684, 9859605, 13146140, 19719210, 39438420]

約数ペア:

[(1, 39438420), (2, 19719210), (3, 13146140), (4, 9859605), (5, 7887684), (6, 6573070), (7, 5634060), (10, 3943842), (12, 3286535), (14, 2817030), (15, 2629228), (20, 1971921), (21, 1878020), (28, 1408515), (30, 1314614), (35, 1126812), (42, 939010), (60, 657307), (70, 563406), (84, 469505), (105, 375604), (140, 281703), (210, 187802), (420, 93901)]