129871000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{18553}}^1$

素因数の和:18581

約数の個数: 64

約数和(自身を含む): 347330880

約数和(自身を除く): 217459880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 18553, 37106, 74212, 92765, 129871, 148424, 185530, 259742, 371060, 463825, 519484, 649355, 742120, 927650, 1038968, 1298710, 1855300, 2319125, 2597420, 3246775, 3710600, 4638250, 5194840, 6493550, 9276500, 12987100, 16233875, 18553000, 25974200, 32467750, 64935500, 129871000]

約数ペア:

[(1, 129871000), (2, 64935500), (4, 32467750), (5, 25974200), (7, 18553000), (8, 16233875), (10, 12987100), (14, 9276500), (20, 6493550), (25, 5194840), (28, 4638250), (35, 3710600), (40, 3246775), (50, 2597420), (56, 2319125), (70, 1855300), (100, 1298710), (125, 1038968), (140, 927650), (175, 742120), (200, 649355), (250, 519484), (280, 463825), (350, 371060), (500, 259742), (700, 185530), (875, 148424), (1000, 129871), (1400, 92765), (1750, 74212), (3500, 37106), (7000, 18553)]