1628786740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{401179}}^1$

素因数の和:401224

約数の個数: 48

約数和(自身を含む): 4043894400

約数和(自身を除く): 2415107660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 401179, 802358, 1604716, 2005895, 2808253, 4011790, 5616506, 8023580, 11233012, 11634191, 14041265, 23268382, 28082530, 46536764, 56165060, 58170955, 81439337, 116341910, 162878674, 232683820, 325757348, 407196685, 814393370, 1628786740]

約数ペア:

[(1, 1628786740), (2, 814393370), (4, 407196685), (5, 325757348), (7, 232683820), (10, 162878674), (14, 116341910), (20, 81439337), (28, 58170955), (29, 56165060), (35, 46536764), (58, 28082530), (70, 23268382), (116, 14041265), (140, 11634191), (145, 11233012), (203, 8023580), (290, 5616506), (406, 4011790), (580, 2808253), (812, 2005895), (1015, 1604716), (2030, 802358), (4060, 401179)]