77872370

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{421}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 143564400

約数和(自身を除く): 65692030

約数列:

[1, 2, 5, 10, 53, 106, 265, 349, 421, 530, 698, 842, 1745, 2105, 3490, 4210, 18497, 22313, 36994, 44626, 92485, 111565, 146929, 184970, 223130, 293858, 734645, 1469290, 7787237, 15574474, 38936185, 77872370]

約数ペア:

[(1, 77872370), (2, 38936185), (5, 15574474), (10, 7787237), (53, 1469290), (106, 734645), (265, 293858), (349, 223130), (421, 184970), (530, 146929), (698, 111565), (842, 92485), (1745, 44626), (2105, 36994), (3490, 22313), (4210, 18497)]