281433390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1340159}}^1$

素因数の和:1340176

約数の個数: 32

約数和(自身を含む): 771932160

約数和(自身を除く): 490498770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1340159, 2680318, 4020477, 6700795, 8040954, 9381113, 13401590, 18762226, 20102385, 28143339, 40204770, 46905565, 56286678, 93811130, 140716695, 281433390]

約数ペア:

[(1, 281433390), (2, 140716695), (3, 93811130), (5, 56286678), (6, 46905565), (7, 40204770), (10, 28143339), (14, 20102385), (15, 18762226), (21, 13401590), (30, 9381113), (35, 8040954), (42, 6700795), (70, 4020477), (105, 2680318), (210, 1340159)]