77540225

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 114742656

約数和(自身を除く): 37202431

約数列:

[1, 5, 7, 25, 35, 41, 101, 107, 175, 205, 287, 505, 535, 707, 749, 1025, 1435, 2525, 2675, 3535, 3745, 4141, 4387, 7175, 10807, 17675, 18725, 20705, 21935, 28987, 30709, 54035, 75649, 103525, 109675, 144935, 153545, 270175, 378245, 443087, 724675, 767725, 1891225, 2215435, 3101609, 11077175, 15508045, 77540225]

約数ペア:

[(1, 77540225), (5, 15508045), (7, 11077175), (25, 3101609), (35, 2215435), (41, 1891225), (101, 767725), (107, 724675), (175, 443087), (205, 378245), (287, 270175), (505, 153545), (535, 144935), (707, 109675), (749, 103525), (1025, 75649), (1435, 54035), (2525, 30709), (2675, 28987), (3535, 21935), (3745, 20705), (4141, 18725), (4387, 17675), (7175, 10807)]