289724260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{1009}}^1$

素因数の和:1325

約数の個数: 72

約数和(自身を含む): 710874360

約数和(自身を除く): 421150100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 293, 490, 586, 980, 1009, 1172, 1465, 2018, 2051, 2930, 4036, 4102, 5045, 5860, 7063, 8204, 10090, 10255, 14126, 14357, 20180, 20510, 28252, 28714, 35315, 41020, 49441, 57428, 70630, 71785, 98882, 141260, 143570, 197764, 247205, 287140, 295637, 494410, 591274, 988820, 1182548, 1478185, 2069459, 2956370, 4138918, 5912740, 8277836, 10347295, 14486213, 20694590, 28972426, 41389180, 57944852, 72431065, 144862130, 289724260]

約数ペア:

[(1, 289724260), (2, 144862130), (4, 72431065), (5, 57944852), (7, 41389180), (10, 28972426), (14, 20694590), (20, 14486213), (28, 10347295), (35, 8277836), (49, 5912740), (70, 4138918), (98, 2956370), (140, 2069459), (196, 1478185), (245, 1182548), (293, 988820), (490, 591274), (586, 494410), (980, 295637), (1009, 287140), (1172, 247205), (1465, 197764), (2018, 143570), (2051, 141260), (2930, 98882), (4036, 71785), (4102, 70630), (5045, 57428), (5860, 49441), (7063, 41020), (8204, 35315), (10090, 28714), (10255, 28252), (14126, 20510), (14357, 20180)]