42228920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 100077120

約数和(自身を除く): 57848200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 197, 230, 233, 394, 460, 466, 788, 920, 932, 985, 1165, 1576, 1864, 1970, 2330, 3940, 4531, 4660, 5359, 7880, 9062, 9320, 10718, 18124, 21436, 22655, 26795, 36248, 42872, 45310, 45901, 53590, 90620, 91802, 107180, 181240, 183604, 214360, 229505, 367208, 459010, 918020, 1055723, 1836040, 2111446, 4222892, 5278615, 8445784, 10557230, 21114460, 42228920]

約数ペア:

[(1, 42228920), (2, 21114460), (4, 10557230), (5, 8445784), (8, 5278615), (10, 4222892), (20, 2111446), (23, 1836040), (40, 1055723), (46, 918020), (92, 459010), (115, 367208), (184, 229505), (197, 214360), (230, 183604), (233, 181240), (394, 107180), (460, 91802), (466, 90620), (788, 53590), (920, 45901), (932, 45310), (985, 42872), (1165, 36248), (1576, 26795), (1864, 22655), (1970, 21436), (2330, 18124), (3940, 10718), (4531, 9320), (4660, 9062), (5359, 7880)]