18949000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2707}}^1$

素因数の和:2735

約数の個数: 64

約数和(自身を含む): 50693760

約数和(自身を除く): 31744760

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, 2707, 3500, 5414, 7000, 10828, 13535, 18949, 21656, 27070, 37898, 54140, 67675, 75796, 94745, 108280, 135350, 151592, 189490, 270700, 338375, 378980, 473725, 541400, 676750, 757960, 947450, 1353500, 1894900, 2368625, 2707000, 3789800, 4737250, 9474500, 18949000]

約数ペア:

[(1, 18949000), (2, 9474500), (4, 4737250), (5, 3789800), (7, 2707000), (8, 2368625), (10, 1894900), (14, 1353500), (20, 947450), (25, 757960), (28, 676750), (35, 541400), (40, 473725), (50, 378980), (56, 338375), (70, 270700), (100, 189490), (125, 151592), (140, 135350), (175, 108280), (200, 94745), (250, 75796), (280, 67675), (350, 54140), (500, 37898), (700, 27070), (875, 21656), (1000, 18949), (1400, 13535), (1750, 10828), (2707, 7000), (3500, 5414)]