393409980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{728537}}^1$

素因数の和:728555

約数の個数: 48

約数和(自身を含む): 1223943840

約数和(自身を除く): 830533860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 728537, 1457074, 2185611, 2914148, 3642685, 4371222, 6556833, 7285370, 8742444, 10928055, 13113666, 14570740, 19670499, 21856110, 26227332, 32784165, 39340998, 43712220, 65568330, 78681996, 98352495, 131136660, 196704990, 393409980]

約数ペア:

[(1, 393409980), (2, 196704990), (3, 131136660), (4, 98352495), (5, 78681996), (6, 65568330), (9, 43712220), (10, 39340998), (12, 32784165), (15, 26227332), (18, 21856110), (20, 19670499), (27, 14570740), (30, 13113666), (36, 10928055), (45, 8742444), (54, 7285370), (60, 6556833), (90, 4371222), (108, 3642685), (135, 2914148), (180, 2185611), (270, 1457074), (540, 728537)]