138077980

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{15107}}^1$

素因数の和:15573

約数の個数: 24

約数和(自身を含む): 290617488

約数和(自身を除く): 152539508

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 15107, 30214, 60428, 75535, 151070, 302140, 6903899, 13807798, 27615596, 34519495, 69038990, 138077980]

約数ペア:

[(1, 138077980), (2, 69038990), (4, 34519495), (5, 27615596), (10, 13807798), (20, 6903899), (457, 302140), (914, 151070), (1828, 75535), (2285, 60428), (4570, 30214), (9140, 15107)]