280831208

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{30029}}^1$

素因数の和:30209

約数の個数: 32

約数和(自身を含む): 605404800

約数和(自身を除く): 324573592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2338, 4676, 9352, 30029, 60058, 120116, 210203, 240232, 420406, 840812, 1681624, 5014843, 10029686, 20059372, 35103901, 40118744, 70207802, 140415604, 280831208]

約数ペア:

[(1, 280831208), (2, 140415604), (4, 70207802), (7, 40118744), (8, 35103901), (14, 20059372), (28, 10029686), (56, 5014843), (167, 1681624), (334, 840812), (668, 420406), (1169, 240232), (1336, 210203), (2338, 120116), (4676, 60058), (9352, 30029)]