138702920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{47501}}^1$

素因数の和:47585

約数の個数: 32

約数和(自身を含む): 316363320

約数和(自身を除く): 177660400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 47501, 95002, 190004, 237505, 380008, 475010, 950020, 1900040, 3467573, 6935146, 13870292, 17337865, 27740584, 34675730, 69351460, 138702920]

約数ペア:

[(1, 138702920), (2, 69351460), (4, 34675730), (5, 27740584), (8, 17337865), (10, 13870292), (20, 6935146), (40, 3467573), (73, 1900040), (146, 950020), (292, 475010), (365, 380008), (584, 237505), (730, 190004), (1460, 95002), (2920, 47501)]