11781020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 25740288

約数和(自身を除く): 13959268

約数列:

[1, 2, 4, 5, 10, 20, 47, 83, 94, 151, 166, 188, 235, 302, 332, 415, 470, 604, 755, 830, 940, 1510, 1660, 3020, 3901, 7097, 7802, 12533, 14194, 15604, 19505, 25066, 28388, 35485, 39010, 50132, 62665, 70970, 78020, 125330, 141940, 250660, 589051, 1178102, 2356204, 2945255, 5890510, 11781020]

約数ペア:

[(1, 11781020), (2, 5890510), (4, 2945255), (5, 2356204), (10, 1178102), (20, 589051), (47, 250660), (83, 141940), (94, 125330), (151, 78020), (166, 70970), (188, 62665), (235, 50132), (302, 39010), (332, 35485), (415, 28388), (470, 25066), (604, 19505), (755, 15604), (830, 14194), (940, 12533), (1510, 7802), (1660, 7097), (3020, 3901)]