13940255980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2753}}^1\times {\mathrm{5167}}^1$

素因数の和:7943

約数の個数: 72

約数和(自身を含む): 34073016768

約数和(自身を除く): 20132760788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2753, 5167, 5506, 10334, 11012, 13765, 19271, 20668, 25835, 27530, 36169, 38542, 51670, 55060, 72338, 77084, 96355, 103340, 134897, 144676, 180845, 192710, 253183, 269794, 361690, 385420, 506366, 539588, 674485, 723380, 1012732, 1265915, 1348970, 2531830, 2697940, 5063660, 14224751, 28449502, 56899004, 71123755, 99573257, 142247510, 199146514, 284495020, 398293028, 497866285, 697012799, 995732570, 1394025598, 1991465140, 2788051196, 3485063995, 6970127990, 13940255980]

約数ペア:

[(1, 13940255980), (2, 6970127990), (4, 3485063995), (5, 2788051196), (7, 1991465140), (10, 1394025598), (14, 995732570), (20, 697012799), (28, 497866285), (35, 398293028), (49, 284495020), (70, 199146514), (98, 142247510), (140, 99573257), (196, 71123755), (245, 56899004), (490, 28449502), (980, 14224751), (2753, 5063660), (5167, 2697940), (5506, 2531830), (10334, 1348970), (11012, 1265915), (13765, 1012732), (19271, 723380), (20668, 674485), (25835, 539588), (27530, 506366), (36169, 385420), (38542, 361690), (51670, 269794), (55060, 253183), (72338, 192710), (77084, 180845), (96355, 144676), (103340, 134897)]