618990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 1520640

約数和(自身を除く): 901650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 439, 470, 705, 878, 1317, 1410, 2195, 2634, 4390, 6585, 13170, 20633, 41266, 61899, 103165, 123798, 206330, 309495, 618990]

約数ペア:

[(1, 618990), (2, 309495), (3, 206330), (5, 123798), (6, 103165), (10, 61899), (15, 41266), (30, 20633), (47, 13170), (94, 6585), (141, 4390), (235, 2634), (282, 2195), (439, 1410), (470, 1317), (705, 878)]