4978090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 9752400

約数和(自身を除く): 4774310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 257, 298, 514, 745, 1285, 1490, 1937, 2570, 3341, 3874, 6682, 9685, 16705, 19370, 33410, 38293, 76586, 191465, 382930, 497809, 995618, 2489045, 4978090]

約数ペア:

[(1, 4978090), (2, 2489045), (5, 995618), (10, 497809), (13, 382930), (26, 191465), (65, 76586), (130, 38293), (149, 33410), (257, 19370), (298, 16705), (514, 9685), (745, 6682), (1285, 3874), (1490, 3341), (1937, 2570)]