2912797940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{141811}}^1$

素因数の和:141912

約数の個数: 48

約数和(自身を含む): 6670836480

約数和(自身を除く): 3758038540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 141811, 283622, 567244, 709055, 1418110, 1843543, 2836220, 3687086, 7374172, 9217715, 11203069, 18435430, 22406138, 36870860, 44812276, 56015345, 112030690, 145639897, 224061380, 291279794, 582559588, 728199485, 1456398970, 2912797940]

約数ペア:

[(1, 2912797940), (2, 1456398970), (4, 728199485), (5, 582559588), (10, 291279794), (13, 224061380), (20, 145639897), (26, 112030690), (52, 56015345), (65, 44812276), (79, 36870860), (130, 22406138), (158, 18435430), (260, 11203069), (316, 9217715), (395, 7374172), (790, 3687086), (1027, 2836220), (1580, 1843543), (2054, 1418110), (4108, 709055), (5135, 567244), (10270, 283622), (20540, 141811)]