279781640

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{15107}}^1$

素因数の和:15581

約数の個数: 32

約数和(自身を含む): 630910080

約数和(自身を除く): 351128440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4630, 9260, 15107, 18520, 30214, 60428, 75535, 120856, 151070, 302140, 604280, 6994541, 13989082, 27978164, 34972705, 55956328, 69945410, 139890820, 279781640]

約数ペア:

[(1, 279781640), (2, 139890820), (4, 69945410), (5, 55956328), (8, 34972705), (10, 27978164), (20, 13989082), (40, 6994541), (463, 604280), (926, 302140), (1852, 151070), (2315, 120856), (3704, 75535), (4630, 60428), (9260, 30214), (15107, 18520)]