268542020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{12421}}^1$

素因数の和:12500

約数の個数: 48

約数和(自身を含む): 601026048

約数和(自身を除く): 332484028

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 4324, 5405, 10810, 12421, 21620, 24842, 49684, 62105, 124210, 248420, 285683, 571366, 583787, 1142732, 1167574, 1428415, 2335148, 2856830, 2918935, 5713660, 5837870, 11675740, 13427101, 26854202, 53708404, 67135505, 134271010, 268542020]

約数ペア:

[(1, 268542020), (2, 134271010), (4, 67135505), (5, 53708404), (10, 26854202), (20, 13427101), (23, 11675740), (46, 5837870), (47, 5713660), (92, 2918935), (94, 2856830), (115, 2335148), (188, 1428415), (230, 1167574), (235, 1142732), (460, 583787), (470, 571366), (940, 285683), (1081, 248420), (2162, 124210), (4324, 62105), (5405, 49684), (10810, 24842), (12421, 21620)]