261454000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{4217}}^1$

素因数の和:4271

約数の個数: 80

約数和(自身を含む): 652743936

約数和(自身を除く): 391289936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 1000, 1240, 1550, 2000, 2480, 3100, 3875, 4217, 6200, 7750, 8434, 12400, 15500, 16868, 21085, 31000, 33736, 42170, 62000, 67472, 84340, 105425, 130727, 168680, 210850, 261454, 337360, 421700, 522908, 527125, 653635, 843400, 1045816, 1054250, 1307270, 1686800, 2091632, 2108500, 2614540, 3268175, 4217000, 5229080, 6536350, 8434000, 10458160, 13072700, 16340875, 26145400, 32681750, 52290800, 65363500, 130727000, 261454000]

約数ペア:

[(1, 261454000), (2, 130727000), (4, 65363500), (5, 52290800), (8, 32681750), (10, 26145400), (16, 16340875), (20, 13072700), (25, 10458160), (31, 8434000), (40, 6536350), (50, 5229080), (62, 4217000), (80, 3268175), (100, 2614540), (124, 2108500), (125, 2091632), (155, 1686800), (200, 1307270), (248, 1054250), (250, 1045816), (310, 843400), (400, 653635), (496, 527125), (500, 522908), (620, 421700), (775, 337360), (1000, 261454), (1240, 210850), (1550, 168680), (2000, 130727), (2480, 105425), (3100, 84340), (3875, 67472), (4217, 62000), (6200, 42170), (7750, 33736), (8434, 31000), (12400, 21085), (15500, 16868)]