129788900

素因数分解:

$2^2\times 5^2\times {\mathrm{569}}^1\times {\mathrm{2281}}^1$

素因数の和:2864

約数の個数: 36

約数和(自身を含む): 282260580

約数和(自身を除く): 152471680

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 569, 1138, 2276, 2281, 2845, 4562, 5690, 9124, 11380, 11405, 14225, 22810, 28450, 45620, 56900, 57025, 114050, 228100, 1297889, 2595778, 5191556, 6489445, 12978890, 25957780, 32447225, 64894450, 129788900]

約数ペア:

[(1, 129788900), (2, 64894450), (4, 32447225), (5, 25957780), (10, 12978890), (20, 6489445), (25, 5191556), (50, 2595778), (100, 1297889), (569, 228100), (1138, 114050), (2276, 57025), (2281, 56900), (2845, 45620), (4562, 28450), (5690, 22810), (9124, 14225), (11380, 11405)]