28133700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13397}}^1$

素因数の和:13421

約数の個数: 72

約数和(自身を含む): 93035712

約数和(自身を除く): 64902012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 13397, 26794, 40191, 53588, 66985, 80382, 93779, 133970, 160764, 187558, 200955, 267940, 281337, 334925, 375116, 401910, 468895, 562674, 669850, 803820, 937790, 1004775, 1125348, 1339700, 1406685, 1875580, 2009550, 2344475, 2813370, 4019100, 4688950, 5626740, 7033425, 9377900, 14066850, 28133700]

約数ペア:

[(1, 28133700), (2, 14066850), (3, 9377900), (4, 7033425), (5, 5626740), (6, 4688950), (7, 4019100), (10, 2813370), (12, 2344475), (14, 2009550), (15, 1875580), (20, 1406685), (21, 1339700), (25, 1125348), (28, 1004775), (30, 937790), (35, 803820), (42, 669850), (50, 562674), (60, 468895), (70, 401910), (75, 375116), (84, 334925), (100, 281337), (105, 267940), (140, 200955), (150, 187558), (175, 160764), (210, 133970), (300, 93779), (350, 80382), (420, 66985), (525, 53588), (700, 40191), (1050, 26794), (2100, 13397)]