49898020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 108218880

約数和(自身を除く): 58320860

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 109, 188, 218, 235, 436, 470, 487, 545, 940, 974, 1090, 1948, 2180, 2435, 4870, 5123, 9740, 10246, 20492, 22889, 25615, 45778, 51230, 53083, 91556, 102460, 106166, 114445, 212332, 228890, 265415, 457780, 530830, 1061660, 2494901, 4989802, 9979604, 12474505, 24949010, 49898020]

約数ペア:

[(1, 49898020), (2, 24949010), (4, 12474505), (5, 9979604), (10, 4989802), (20, 2494901), (47, 1061660), (94, 530830), (109, 457780), (188, 265415), (218, 228890), (235, 212332), (436, 114445), (470, 106166), (487, 102460), (545, 91556), (940, 53083), (974, 51230), (1090, 45778), (1948, 25615), (2180, 22889), (2435, 20492), (4870, 10246), (5123, 9740)]