821490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 1995840

約数和(自身を除く): 1174350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 197, 278, 394, 417, 591, 695, 834, 985, 1182, 1390, 1970, 2085, 2955, 4170, 5910, 27383, 54766, 82149, 136915, 164298, 273830, 410745, 821490]

約数ペア:

[(1, 821490), (2, 410745), (3, 273830), (5, 164298), (6, 136915), (10, 82149), (15, 54766), (30, 27383), (139, 5910), (197, 4170), (278, 2955), (394, 2085), (417, 1970), (591, 1390), (695, 1182), (834, 985)]