110217020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{523}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 238478688

約数和(自身を除く): 128261668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 257, 410, 514, 523, 820, 1028, 1046, 1285, 2092, 2570, 2615, 5140, 5230, 10460, 10537, 21074, 21443, 42148, 42886, 52685, 85772, 105370, 107215, 134411, 210740, 214430, 268822, 428860, 537644, 672055, 1344110, 2688220, 5510851, 11021702, 22043404, 27554255, 55108510, 110217020]

約数ペア:

[(1, 110217020), (2, 55108510), (4, 27554255), (5, 22043404), (10, 11021702), (20, 5510851), (41, 2688220), (82, 1344110), (164, 672055), (205, 537644), (257, 428860), (410, 268822), (514, 214430), (523, 210740), (820, 134411), (1028, 107215), (1046, 105370), (1285, 85772), (2092, 52685), (2570, 42886), (2615, 42148), (5140, 21443), (5230, 21074), (10460, 10537)]