275720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 636120

約数和(自身を除く): 360400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 113, 122, 226, 244, 305, 452, 488, 565, 610, 904, 1130, 1220, 2260, 2440, 4520, 6893, 13786, 27572, 34465, 55144, 68930, 137860, 275720]

約数ペア:

[(1, 275720), (2, 137860), (4, 68930), (5, 55144), (8, 34465), (10, 27572), (20, 13786), (40, 6893), (61, 4520), (113, 2440), (122, 2260), (226, 1220), (244, 1130), (305, 904), (452, 610), (488, 565)]