130720100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{186743}}^1$

素因数の和:186764

約数の個数: 36

約数和(自身を含む): 324187584

約数和(自身を除く): 193467484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 186743, 373486, 746972, 933715, 1307201, 1867430, 2614402, 3734860, 4668575, 5228804, 6536005, 9337150, 13072010, 18674300, 26144020, 32680025, 65360050, 130720100]

約数ペア:

[(1, 130720100), (2, 65360050), (4, 32680025), (5, 26144020), (7, 18674300), (10, 13072010), (14, 9337150), (20, 6536005), (25, 5228804), (28, 4668575), (35, 3734860), (50, 2614402), (70, 1867430), (100, 1307201), (140, 933715), (175, 746972), (350, 373486), (700, 186743)]