291217990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{244721}}^1$

素因数の和:244752

約数の個数: 32

約数和(自身を含む): 634319424

約数和(自身を除く): 343101434

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 244721, 489442, 1223605, 1713047, 2447210, 3426094, 4160257, 8320514, 8565235, 17130470, 20801285, 29121799, 41602570, 58243598, 145608995, 291217990]

約数ペア:

[(1, 291217990), (2, 145608995), (5, 58243598), (7, 41602570), (10, 29121799), (14, 20801285), (17, 17130470), (34, 8565235), (35, 8320514), (70, 4160257), (85, 3426094), (119, 2447210), (170, 1713047), (238, 1223605), (595, 489442), (1190, 244721)]