2886940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 7342272

約数和(自身を除く): 4455332

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 1213, 2380, 2426, 4852, 6065, 8491, 12130, 16982, 20621, 24260, 33964, 41242, 42455, 82484, 84910, 103105, 144347, 169820, 206210, 288694, 412420, 577388, 721735, 1443470, 2886940]

約数ペア:

[(1, 2886940), (2, 1443470), (4, 721735), (5, 577388), (7, 412420), (10, 288694), (14, 206210), (17, 169820), (20, 144347), (28, 103105), (34, 84910), (35, 82484), (68, 42455), (70, 41242), (85, 33964), (119, 24260), (140, 20621), (170, 16982), (238, 12130), (340, 8491), (476, 6065), (595, 4852), (1190, 2426), (1213, 2380)]