310660

素因数分解:

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

素因数の和:340

約数の個数: 36

約数和(自身を含む): 761292

約数和(自身を除く): 450632

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 317, 490, 634, 980, 1268, 1585, 2219, 3170, 4438, 6340, 8876, 11095, 15533, 22190, 31066, 44380, 62132, 77665, 155330, 310660]

約数ペア:

[(1, 310660), (2, 155330), (4, 77665), (5, 62132), (7, 44380), (10, 31066), (14, 22190), (20, 15533), (28, 11095), (35, 8876), (49, 6340), (70, 4438), (98, 3170), (140, 2219), (196, 1585), (245, 1268), (317, 980), (490, 634)]