144643720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{21397}}^1$

素因数の和:21434

約数の個数: 48

約数和(自身を含む): 352425060

約数和(自身を除く): 207781340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 21397, 42794, 85588, 106985, 171176, 213970, 278161, 427940, 556322, 855880, 1112644, 1390805, 2225288, 2781610, 3616093, 5563220, 7232186, 11126440, 14464372, 18080465, 28928744, 36160930, 72321860, 144643720]

約数ペア:

[(1, 144643720), (2, 72321860), (4, 36160930), (5, 28928744), (8, 18080465), (10, 14464372), (13, 11126440), (20, 7232186), (26, 5563220), (40, 3616093), (52, 2781610), (65, 2225288), (104, 1390805), (130, 1112644), (169, 855880), (260, 556322), (338, 427940), (520, 278161), (676, 213970), (845, 171176), (1352, 106985), (1690, 85588), (3380, 42794), (6760, 21397)]