81392700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2797}}^1$

素因数の和:2911

約数の個数: 72

約数和(自身を含む): 238009072

約数和(自身を除く): 156616372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 150, 194, 291, 300, 388, 485, 582, 970, 1164, 1455, 1940, 2425, 2797, 2910, 4850, 5594, 5820, 7275, 8391, 9700, 11188, 13985, 14550, 16782, 27970, 29100, 33564, 41955, 55940, 69925, 83910, 139850, 167820, 209775, 271309, 279700, 419550, 542618, 813927, 839100, 1085236, 1356545, 1627854, 2713090, 3255708, 4069635, 5426180, 6782725, 8139270, 13565450, 16278540, 20348175, 27130900, 40696350, 81392700]

約数ペア:

[(1, 81392700), (2, 40696350), (3, 27130900), (4, 20348175), (5, 16278540), (6, 13565450), (10, 8139270), (12, 6782725), (15, 5426180), (20, 4069635), (25, 3255708), (30, 2713090), (50, 1627854), (60, 1356545), (75, 1085236), (97, 839100), (100, 813927), (150, 542618), (194, 419550), (291, 279700), (300, 271309), (388, 209775), (485, 167820), (582, 139850), (970, 83910), (1164, 69925), (1455, 55940), (1940, 41955), (2425, 33564), (2797, 29100), (2910, 27970), (4850, 16782), (5594, 14550), (5820, 13985), (7275, 11188), (8391, 9700)]