780442975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 1068681600

約数和(自身を除く): 288238625

約数列:

[1, 5, 13, 25, 65, 79, 113, 269, 325, 395, 565, 1027, 1345, 1469, 1975, 2825, 3497, 5135, 6725, 7345, 8927, 17485, 21251, 25675, 30397, 36725, 44635, 87425, 106255, 116051, 151985, 223175, 276263, 395161, 531275, 580255, 759925, 1381315, 1975805, 2401363, 2901275, 6906575, 9879025, 12006815, 31217719, 60034075, 156088595, 780442975]

約数ペア:

[(1, 780442975), (5, 156088595), (13, 60034075), (25, 31217719), (65, 12006815), (79, 9879025), (113, 6906575), (269, 2901275), (325, 2401363), (395, 1975805), (565, 1381315), (1027, 759925), (1345, 580255), (1469, 531275), (1975, 395161), (2825, 276263), (3497, 223175), (5135, 151985), (6725, 116051), (7345, 106255), (8927, 87425), (17485, 44635), (21251, 36725), (25675, 30397)]