442993880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{8741}}^1$

素因数の和:8940

約数の個数: 64

約数和(自身を含む): 1145551680

約数和(自身を除く): 702557800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 280, 362, 724, 905, 1267, 1448, 1810, 2534, 3620, 5068, 6335, 7240, 8741, 10136, 12670, 17482, 25340, 34964, 43705, 50680, 61187, 69928, 87410, 122374, 174820, 244748, 305935, 349640, 489496, 611870, 1223740, 1582121, 2447480, 3164242, 6328484, 7910605, 11074847, 12656968, 15821210, 22149694, 31642420, 44299388, 55374235, 63284840, 88598776, 110748470, 221496940, 442993880]

約数ペア:

[(1, 442993880), (2, 221496940), (4, 110748470), (5, 88598776), (7, 63284840), (8, 55374235), (10, 44299388), (14, 31642420), (20, 22149694), (28, 15821210), (35, 12656968), (40, 11074847), (56, 7910605), (70, 6328484), (140, 3164242), (181, 2447480), (280, 1582121), (362, 1223740), (724, 611870), (905, 489496), (1267, 349640), (1448, 305935), (1810, 244748), (2534, 174820), (3620, 122374), (5068, 87410), (6335, 69928), (7240, 61187), (8741, 50680), (10136, 43705), (12670, 34964), (17482, 25340)]