201912090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{156521}}^1$

素因数の和:156574

約数の個数: 32

約数和(自身を含む): 495861696

約数和(自身を除く): 293949606

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 156521, 313042, 469563, 782605, 939126, 1565210, 2347815, 4695630, 6730403, 13460806, 20191209, 33652015, 40382418, 67304030, 100956045, 201912090]

約数ペア:

[(1, 201912090), (2, 100956045), (3, 67304030), (5, 40382418), (6, 33652015), (10, 20191209), (15, 13460806), (30, 6730403), (43, 4695630), (86, 2347815), (129, 1565210), (215, 939126), (258, 782605), (430, 469563), (645, 313042), (1290, 156521)]