28489980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1409}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 80065440

約数和(自身を除く): 51575460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 1011, 1348, 1409, 1685, 2022, 2818, 3370, 4044, 4227, 5055, 5636, 6740, 7045, 8454, 10110, 14090, 16908, 20220, 21135, 28180, 42270, 84540, 474833, 949666, 1424499, 1899332, 2374165, 2848998, 4748330, 5697996, 7122495, 9496660, 14244990, 28489980]

約数ペア:

[(1, 28489980), (2, 14244990), (3, 9496660), (4, 7122495), (5, 5697996), (6, 4748330), (10, 2848998), (12, 2374165), (15, 1899332), (20, 1424499), (30, 949666), (60, 474833), (337, 84540), (674, 42270), (1011, 28180), (1348, 21135), (1409, 20220), (1685, 16908), (2022, 14090), (2818, 10110), (3370, 8454), (4044, 7045), (4227, 6740), (5055, 5636)]