897078420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{711967}}^1$

素因数の和:711989

約数の個数: 72

約数和(自身を含む): 3109876224

約数和(自身を除く): 2212797804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 711967, 1423934, 2135901, 2847868, 3559835, 4271802, 4983769, 6407703, 7119670, 8543604, 9967538, 10679505, 12815406, 14239340, 14951307, 19935076, 21359010, 24918845, 25630812, 29902614, 32038515, 42718020, 44853921, 49837690, 59805228, 64077030, 74756535, 89707842, 99675380, 128154060, 149513070, 179415684, 224269605, 299026140, 448539210, 897078420]

約数ペア:

[(1, 897078420), (2, 448539210), (3, 299026140), (4, 224269605), (5, 179415684), (6, 149513070), (7, 128154060), (9, 99675380), (10, 89707842), (12, 74756535), (14, 64077030), (15, 59805228), (18, 49837690), (20, 44853921), (21, 42718020), (28, 32038515), (30, 29902614), (35, 25630812), (36, 24918845), (42, 21359010), (45, 19935076), (60, 14951307), (63, 14239340), (70, 12815406), (84, 10679505), (90, 9967538), (105, 8543604), (126, 7119670), (140, 6407703), (180, 4983769), (210, 4271802), (252, 3559835), (315, 2847868), (420, 2135901), (630, 1423934), (1260, 711967)]