201271390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 395974656

約数和(自身を除く): 194703266

約数列:

[1, 2, 5, 10, 23, 43, 46, 47, 86, 94, 115, 215, 230, 235, 430, 433, 470, 866, 989, 1081, 1978, 2021, 2162, 2165, 4042, 4330, 4945, 5405, 9890, 9959, 10105, 10810, 18619, 19918, 20210, 20351, 37238, 40702, 46483, 49795, 92966, 93095, 99590, 101755, 186190, 203510, 232415, 428237, 464830, 468073, 856474, 875093, 936146, 1750186, 2141185, 2340365, 4282370, 4375465, 4680730, 8750930, 20127139, 40254278, 100635695, 201271390]

約数ペア:

[(1, 201271390), (2, 100635695), (5, 40254278), (10, 20127139), (23, 8750930), (43, 4680730), (46, 4375465), (47, 4282370), (86, 2340365), (94, 2141185), (115, 1750186), (215, 936146), (230, 875093), (235, 856474), (430, 468073), (433, 464830), (470, 428237), (866, 232415), (989, 203510), (1081, 186190), (1978, 101755), (2021, 99590), (2162, 93095), (2165, 92966), (4042, 49795), (4330, 46483), (4945, 40702), (5405, 37238), (9890, 20351), (9959, 20210), (10105, 19918), (10810, 18619)]