409890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1051}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 1060416

約数和(自身を除く): 650526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1051, 2102, 3153, 5255, 6306, 10510, 13663, 15765, 27326, 31530, 40989, 68315, 81978, 136630, 204945, 409890]

約数ペア:

[(1, 409890), (2, 204945), (3, 136630), (5, 81978), (6, 68315), (10, 40989), (13, 31530), (15, 27326), (26, 15765), (30, 13663), (39, 10510), (65, 6306), (78, 5255), (130, 3153), (195, 2102), (390, 1051)]