90285700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 204986880

約数和(自身を除く): 114701180

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 163, 191, 290, 326, 382, 580, 652, 725, 764, 815, 955, 1450, 1630, 1910, 2900, 3260, 3820, 4075, 4727, 4775, 5539, 8150, 9454, 9550, 11078, 16300, 18908, 19100, 22156, 23635, 27695, 31133, 47270, 55390, 62266, 94540, 110780, 118175, 124532, 138475, 155665, 236350, 276950, 311330, 472700, 553900, 622660, 778325, 902857, 1556650, 1805714, 3113300, 3611428, 4514285, 9028570, 18057140, 22571425, 45142850, 90285700]

約数ペア:

[(1, 90285700), (2, 45142850), (4, 22571425), (5, 18057140), (10, 9028570), (20, 4514285), (25, 3611428), (29, 3113300), (50, 1805714), (58, 1556650), (100, 902857), (116, 778325), (145, 622660), (163, 553900), (191, 472700), (290, 311330), (326, 276950), (382, 236350), (580, 155665), (652, 138475), (725, 124532), (764, 118175), (815, 110780), (955, 94540), (1450, 62266), (1630, 55390), (1910, 47270), (2900, 31133), (3260, 27695), (3820, 23635), (4075, 22156), (4727, 19100), (4775, 18908), (5539, 16300), (8150, 11078), (9454, 9550)]