131356940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3533}}^1$

素因数の和:3579

約数の個数: 72

約数和(自身を含む): 325947888

約数和(自身を除く): 194590948

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3533, 3718, 7066, 7436, 9295, 14132, 17665, 18590, 35330, 37180, 38863, 45929, 70660, 77726, 91858, 155452, 183716, 194315, 229645, 388630, 459290, 505219, 597077, 777260, 918580, 1010438, 1194154, 2020876, 2388308, 2526095, 2985385, 5052190, 5970770, 6567847, 10104380, 11941540, 13135694, 26271388, 32839235, 65678470, 131356940]

約数ペア:

[(1, 131356940), (2, 65678470), (4, 32839235), (5, 26271388), (10, 13135694), (11, 11941540), (13, 10104380), (20, 6567847), (22, 5970770), (26, 5052190), (44, 2985385), (52, 2526095), (55, 2388308), (65, 2020876), (110, 1194154), (130, 1010438), (143, 918580), (169, 777260), (220, 597077), (260, 505219), (286, 459290), (338, 388630), (572, 229645), (676, 194315), (715, 183716), (845, 155452), (1430, 91858), (1690, 77726), (1859, 70660), (2860, 45929), (3380, 38863), (3533, 37180), (3718, 35330), (7066, 18590), (7436, 17665), (9295, 14132)]