261346250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:345

約数の個数: 80

約数和(自身を含む): 543201120

約数和(自身を除く): 281854870

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 83, 110, 125, 166, 229, 250, 275, 415, 458, 550, 625, 830, 913, 1145, 1250, 1375, 1826, 2075, 2290, 2519, 2750, 4150, 4565, 5038, 5725, 6875, 9130, 10375, 11450, 12595, 13750, 19007, 20750, 22825, 25190, 28625, 38014, 45650, 51875, 57250, 62975, 95035, 103750, 114125, 125950, 143125, 190070, 209077, 228250, 286250, 314875, 418154, 475175, 570625, 629750, 950350, 1045385, 1141250, 1574375, 2090770, 2375875, 3148750, 4751750, 5226925, 10453850, 11879375, 23758750, 26134625, 52269250, 130673125, 261346250]

約数ペア:

[(1, 261346250), (2, 130673125), (5, 52269250), (10, 26134625), (11, 23758750), (22, 11879375), (25, 10453850), (50, 5226925), (55, 4751750), (83, 3148750), (110, 2375875), (125, 2090770), (166, 1574375), (229, 1141250), (250, 1045385), (275, 950350), (415, 629750), (458, 570625), (550, 475175), (625, 418154), (830, 314875), (913, 286250), (1145, 228250), (1250, 209077), (1375, 190070), (1826, 143125), (2075, 125950), (2290, 114125), (2519, 103750), (2750, 95035), (4150, 62975), (4565, 57250), (5038, 51875), (5725, 45650), (6875, 38014), (9130, 28625), (10375, 25190), (11450, 22825), (12595, 20750), (13750, 19007)]