69638020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3221}}^1$

素因数の和:3300

約数の個数: 48

約数和(自身を含む): 155893248

約数和(自身を除く): 86255228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 3221, 4324, 5405, 6442, 10810, 12884, 16105, 21620, 32210, 64420, 74083, 148166, 151387, 296332, 302774, 370415, 605548, 740830, 756935, 1481660, 1513870, 3027740, 3481901, 6963802, 13927604, 17409505, 34819010, 69638020]

約数ペア:

[(1, 69638020), (2, 34819010), (4, 17409505), (5, 13927604), (10, 6963802), (20, 3481901), (23, 3027740), (46, 1513870), (47, 1481660), (92, 756935), (94, 740830), (115, 605548), (188, 370415), (230, 302774), (235, 296332), (460, 151387), (470, 148166), (940, 74083), (1081, 64420), (2162, 32210), (3221, 21620), (4324, 16105), (5405, 12884), (6442, 10810)]