434455390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{19739}}^1$

素因数の和:19848

約数の個数: 32

約数和(自身を含む): 818657280

約数和(自身を除く): 384201890

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 4402, 11005, 19739, 22010, 39478, 98695, 197390, 611909, 1223818, 1401469, 2802938, 3059545, 6119090, 7007345, 14014690, 43445539, 86891078, 217227695, 434455390]

約数ペア:

[(1, 434455390), (2, 217227695), (5, 86891078), (10, 43445539), (31, 14014690), (62, 7007345), (71, 6119090), (142, 3059545), (155, 2802938), (310, 1401469), (355, 1223818), (710, 611909), (2201, 197390), (4402, 98695), (11005, 39478), (19739, 22010)]