154459780

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{12517}}^1$

素因数の和:13143

約数の個数: 24

約数和(自身を含む): 324917208

約数和(自身を除く): 170457428

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 12340, 12517, 25034, 50068, 62585, 125170, 250340, 7722989, 15445978, 30891956, 38614945, 77229890, 154459780]

約数ペア:

[(1, 154459780), (2, 77229890), (4, 38614945), (5, 30891956), (10, 15445978), (20, 7722989), (617, 250340), (1234, 125170), (2468, 62585), (3085, 50068), (6170, 25034), (12340, 12517)]