331375900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1$

素因数の和:919

約数の個数: 72

約数和(自身を含む): 764857296

約数和(自身を除く): 433481396

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 397, 425, 491, 794, 850, 982, 1588, 1700, 1964, 1985, 2455, 3970, 4910, 6749, 7940, 8347, 9820, 9925, 12275, 13498, 16694, 19850, 24550, 26996, 33388, 33745, 39700, 41735, 49100, 67490, 83470, 134980, 166940, 168725, 194927, 208675, 337450, 389854, 417350, 674900, 779708, 834700, 974635, 1949270, 3313759, 3898540, 4873175, 6627518, 9746350, 13255036, 16568795, 19492700, 33137590, 66275180, 82843975, 165687950, 331375900]

約数ペア:

[(1, 331375900), (2, 165687950), (4, 82843975), (5, 66275180), (10, 33137590), (17, 19492700), (20, 16568795), (25, 13255036), (34, 9746350), (50, 6627518), (68, 4873175), (85, 3898540), (100, 3313759), (170, 1949270), (340, 974635), (397, 834700), (425, 779708), (491, 674900), (794, 417350), (850, 389854), (982, 337450), (1588, 208675), (1700, 194927), (1964, 168725), (1985, 166940), (2455, 134980), (3970, 83470), (4910, 67490), (6749, 49100), (7940, 41735), (8347, 39700), (9820, 33745), (9925, 33388), (12275, 26996), (13498, 24550), (16694, 19850)]