189548720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{23459}}^1$

素因数の和:23573

約数の個数: 40

約数和(自身を含む): 445083120

約数和(自身を除く): 255534400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 23459, 46918, 93836, 117295, 187672, 234590, 375344, 469180, 938360, 1876720, 2369359, 4738718, 9477436, 11846795, 18954872, 23693590, 37909744, 47387180, 94774360, 189548720]

約数ペア:

[(1, 189548720), (2, 94774360), (4, 47387180), (5, 37909744), (8, 23693590), (10, 18954872), (16, 11846795), (20, 9477436), (40, 4738718), (80, 2369359), (101, 1876720), (202, 938360), (404, 469180), (505, 375344), (808, 234590), (1010, 187672), (1616, 117295), (2020, 93836), (4040, 46918), (8080, 23459)]