139844000

素因数分解:

$2^5\times 5^3\times {\mathrm{34961}}^1$

素因数の和:34986

約数の個数: 48

約数和(自身を含む): 343606536

約数和(自身を除く): 203762536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 34961, 69922, 139844, 174805, 279688, 349610, 559376, 699220, 874025, 1118752, 1398440, 1748050, 2796880, 3496100, 4370125, 5593760, 6992200, 8740250, 13984400, 17480500, 27968800, 34961000, 69922000, 139844000]

約数ペア:

[(1, 139844000), (2, 69922000), (4, 34961000), (5, 27968800), (8, 17480500), (10, 13984400), (16, 8740250), (20, 6992200), (25, 5593760), (32, 4370125), (40, 3496100), (50, 2796880), (80, 1748050), (100, 1398440), (125, 1118752), (160, 874025), (200, 699220), (250, 559376), (400, 349610), (500, 279688), (800, 174805), (1000, 139844), (2000, 69922), (4000, 34961)]