87192980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1061}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 209817216

約数和(自身を除く): 122624236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 587, 1061, 1174, 2122, 2348, 2935, 4109, 4244, 5305, 5870, 7427, 8218, 10610, 11740, 14854, 16436, 20545, 21220, 29708, 37135, 41090, 74270, 82180, 148540, 622807, 1245614, 2491228, 3114035, 4359649, 6228070, 8719298, 12456140, 17438596, 21798245, 43596490, 87192980]

約数ペア:

[(1, 87192980), (2, 43596490), (4, 21798245), (5, 17438596), (7, 12456140), (10, 8719298), (14, 6228070), (20, 4359649), (28, 3114035), (35, 2491228), (70, 1245614), (140, 622807), (587, 148540), (1061, 82180), (1174, 74270), (2122, 41090), (2348, 37135), (2935, 29708), (4109, 21220), (4244, 20545), (5305, 16436), (5870, 14854), (7427, 11740), (8218, 10610)]