209211680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:586

約数の個数: 96

約数和(自身を含む): 520732800

約数和(自身を除く): 311521120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 139, 160, 184, 230, 278, 368, 409, 460, 556, 695, 736, 818, 920, 1112, 1390, 1636, 1840, 2045, 2224, 2780, 3197, 3272, 3680, 4090, 4448, 5560, 6394, 6544, 8180, 9407, 11120, 12788, 13088, 15985, 16360, 18814, 22240, 25576, 31970, 32720, 37628, 47035, 51152, 56851, 63940, 65440, 75256, 94070, 102304, 113702, 127880, 150512, 188140, 227404, 255760, 284255, 301024, 376280, 454808, 511520, 568510, 752560, 909616, 1137020, 1307573, 1505120, 1819232, 2274040, 2615146, 4548080, 5230292, 6537865, 9096160, 10460584, 13075730, 20921168, 26151460, 41842336, 52302920, 104605840, 209211680]

約数ペア:

[(1, 209211680), (2, 104605840), (4, 52302920), (5, 41842336), (8, 26151460), (10, 20921168), (16, 13075730), (20, 10460584), (23, 9096160), (32, 6537865), (40, 5230292), (46, 4548080), (80, 2615146), (92, 2274040), (115, 1819232), (139, 1505120), (160, 1307573), (184, 1137020), (230, 909616), (278, 752560), (368, 568510), (409, 511520), (460, 454808), (556, 376280), (695, 301024), (736, 284255), (818, 255760), (920, 227404), (1112, 188140), (1390, 150512), (1636, 127880), (1840, 113702), (2045, 102304), (2224, 94070), (2780, 75256), (3197, 65440), (3272, 63940), (3680, 56851), (4090, 51152), (4448, 47035), (5560, 37628), (6394, 32720), (6544, 31970), (8180, 25576), (9407, 22240), (11120, 18814), (12788, 16360), (13088, 15985)]