1277951620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{123593}}^1$

素因数の和:123660

約数の個数: 48

約数和(自身を含む): 2989986048

約数和(自身を除く): 1712034428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 123593, 247186, 494372, 617965, 1235930, 1359523, 2471860, 2719046, 5438092, 5808871, 6797615, 11617742, 13595230, 23235484, 27190460, 29044355, 58088710, 63897581, 116177420, 127795162, 255590324, 319487905, 638975810, 1277951620]

約数ペア:

[(1, 1277951620), (2, 638975810), (4, 319487905), (5, 255590324), (10, 127795162), (11, 116177420), (20, 63897581), (22, 58088710), (44, 29044355), (47, 27190460), (55, 23235484), (94, 13595230), (110, 11617742), (188, 6797615), (220, 5808871), (235, 5438092), (470, 2719046), (517, 2471860), (940, 1359523), (1034, 1235930), (2068, 617965), (2585, 494372), (5170, 247186), (10340, 123593)]