202143320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{219721}}^1$

素因数の和:219755

約数の個数: 32

約数和(自身を含む): 474599520

約数和(自身を除く): 272456200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 219721, 439442, 878884, 1098605, 1757768, 2197210, 4394420, 5053583, 8788840, 10107166, 20214332, 25267915, 40428664, 50535830, 101071660, 202143320]

約数ペア:

[(1, 202143320), (2, 101071660), (4, 50535830), (5, 40428664), (8, 25267915), (10, 20214332), (20, 10107166), (23, 8788840), (40, 5053583), (46, 4394420), (92, 2197210), (115, 1757768), (184, 1098605), (230, 878884), (460, 439442), (920, 219721)]