289770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 749952

約数和(自身を除く): 460182

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 743, 1486, 2229, 3715, 4458, 7430, 9659, 11145, 19318, 22290, 28977, 48295, 57954, 96590, 144885, 289770]

約数ペア:

[(1, 289770), (2, 144885), (3, 96590), (5, 57954), (6, 48295), (10, 28977), (13, 22290), (15, 19318), (26, 11145), (30, 9659), (39, 7430), (65, 4458), (78, 3715), (130, 2229), (195, 1486), (390, 743)]