213500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{61}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 541632

約数和(自身を除く): 328132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 125, 140, 175, 244, 250, 305, 350, 427, 500, 610, 700, 854, 875, 1220, 1525, 1708, 1750, 2135, 3050, 3500, 4270, 6100, 7625, 8540, 10675, 15250, 21350, 30500, 42700, 53375, 106750, 213500]

約数ペア:

[(1, 213500), (2, 106750), (4, 53375), (5, 42700), (7, 30500), (10, 21350), (14, 15250), (20, 10675), (25, 8540), (28, 7625), (35, 6100), (50, 4270), (61, 3500), (70, 3050), (100, 2135), (122, 1750), (125, 1708), (140, 1525), (175, 1220), (244, 875), (250, 854), (305, 700), (350, 610), (427, 500)]