75778775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 105171840

約数和(自身を除く): 29393065

約数列:

[1, 5, 17, 25, 37, 61, 79, 85, 185, 305, 395, 425, 629, 925, 1037, 1343, 1525, 1975, 2257, 2923, 3145, 4819, 5185, 6715, 11285, 14615, 15725, 24095, 25925, 33575, 38369, 49691, 56425, 73075, 81923, 120475, 178303, 191845, 248455, 409615, 891515, 959225, 1242275, 2048075, 3031151, 4457575, 15155755, 75778775]

約数ペア:

[(1, 75778775), (5, 15155755), (17, 4457575), (25, 3031151), (37, 2048075), (61, 1242275), (79, 959225), (85, 891515), (185, 409615), (305, 248455), (395, 191845), (425, 178303), (629, 120475), (925, 81923), (1037, 73075), (1343, 56425), (1525, 49691), (1975, 38369), (2257, 33575), (2923, 25925), (3145, 24095), (4819, 15725), (5185, 14615), (6715, 11285)]