720173380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{15461}}^1$

素因数の和:15624

約数の個数: 48

約数和(自身を含む): 1613119536

約数和(自身を除く): 892946156

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 548, 685, 1370, 2329, 2740, 4658, 9316, 11645, 15461, 23290, 30922, 46580, 61844, 77305, 154610, 262837, 309220, 525674, 1051348, 1314185, 2118157, 2628370, 4236314, 5256740, 8472628, 10590785, 21181570, 36008669, 42363140, 72017338, 144034676, 180043345, 360086690, 720173380]

約数ペア:

[(1, 720173380), (2, 360086690), (4, 180043345), (5, 144034676), (10, 72017338), (17, 42363140), (20, 36008669), (34, 21181570), (68, 10590785), (85, 8472628), (137, 5256740), (170, 4236314), (274, 2628370), (340, 2118157), (548, 1314185), (685, 1051348), (1370, 525674), (2329, 309220), (2740, 262837), (4658, 154610), (9316, 77305), (11645, 61844), (15461, 46580), (23290, 30922)]