2230590980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1\times {\mathrm{1549}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 4745790000

約数和(自身を除く): 2515199020

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 809, 890, 1549, 1618, 1780, 3098, 3236, 4045, 6196, 7745, 8090, 15490, 16180, 30980, 72001, 137861, 144002, 275722, 288004, 360005, 551444, 689305, 720010, 1253141, 1378610, 1440020, 2506282, 2757220, 5012564, 6265705, 12531410, 25062820, 111529549, 223059098, 446118196, 557647745, 1115295490, 2230590980]

約数ペア:

[(1, 2230590980), (2, 1115295490), (4, 557647745), (5, 446118196), (10, 223059098), (20, 111529549), (89, 25062820), (178, 12531410), (356, 6265705), (445, 5012564), (809, 2757220), (890, 2506282), (1549, 1440020), (1618, 1378610), (1780, 1253141), (3098, 720010), (3236, 689305), (4045, 551444), (6196, 360005), (7745, 288004), (8090, 275722), (15490, 144002), (16180, 137861), (30980, 72001)]