13358380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 33496848

約数和(自身を除く): 20138468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 317, 430, 490, 602, 634, 860, 980, 1204, 1268, 1505, 1585, 2107, 2219, 3010, 3170, 4214, 4438, 6020, 6340, 8428, 8876, 10535, 11095, 13631, 15533, 21070, 22190, 27262, 31066, 42140, 44380, 54524, 62132, 68155, 77665, 95417, 136310, 155330, 190834, 272620, 310660, 381668, 477085, 667919, 954170, 1335838, 1908340, 2671676, 3339595, 6679190, 13358380]

約数ペア:

[(1, 13358380), (2, 6679190), (4, 3339595), (5, 2671676), (7, 1908340), (10, 1335838), (14, 954170), (20, 667919), (28, 477085), (35, 381668), (43, 310660), (49, 272620), (70, 190834), (86, 155330), (98, 136310), (140, 95417), (172, 77665), (196, 68155), (215, 62132), (245, 54524), (301, 44380), (317, 42140), (430, 31066), (490, 27262), (602, 22190), (634, 21070), (860, 15533), (980, 13631), (1204, 11095), (1268, 10535), (1505, 8876), (1585, 8428), (2107, 6340), (2219, 6020), (3010, 4438), (3170, 4214)]