280117712

素因数分解:

$2^4\times 7^2\times {\mathrm{357293}}^1$

素因数の和:357315

約数の個数: 30

約数和(自身を含む): 631338498

約数和(自身を除く): 351220786

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 357293, 714586, 1429172, 2501051, 2858344, 5002102, 5716688, 10004204, 17507357, 20008408, 35014714, 40016816, 70029428, 140058856, 280117712]

約数ペア:

[(1, 280117712), (2, 140058856), (4, 70029428), (7, 40016816), (8, 35014714), (14, 20008408), (16, 17507357), (28, 10004204), (49, 5716688), (56, 5002102), (98, 2858344), (112, 2501051), (196, 1429172), (392, 714586), (784, 357293)]