201691420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13217}}^1$

素因数の和:13342

約数の個数: 48

約数和(自身を含む): 488537280

約数和(自身を除く): 286845860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 13217, 15260, 26434, 52868, 66085, 92519, 132170, 185038, 264340, 370076, 462595, 925190, 1440653, 1850380, 2881306, 5762612, 7203265, 10084571, 14406530, 20169142, 28813060, 40338284, 50422855, 100845710, 201691420]

約数ペア:

[(1, 201691420), (2, 100845710), (4, 50422855), (5, 40338284), (7, 28813060), (10, 20169142), (14, 14406530), (20, 10084571), (28, 7203265), (35, 5762612), (70, 2881306), (109, 1850380), (140, 1440653), (218, 925190), (436, 462595), (545, 370076), (763, 264340), (1090, 185038), (1526, 132170), (2180, 92519), (3052, 66085), (3815, 52868), (7630, 26434), (13217, 15260)]