74840080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1376

約数の個数: 80

約数和(自身を含む): 200880000

約数和(自身を除く): 126039920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 749, 856, 1070, 1249, 1498, 1712, 2140, 2498, 2996, 3745, 4280, 4996, 5992, 6245, 7490, 8560, 8743, 9992, 11984, 12490, 14980, 17486, 19984, 24980, 29960, 34972, 43715, 49960, 59920, 69944, 87430, 99920, 133643, 139888, 174860, 267286, 349720, 534572, 668215, 699440, 935501, 1069144, 1336430, 1871002, 2138288, 2672860, 3742004, 4677505, 5345720, 7484008, 9355010, 10691440, 14968016, 18710020, 37420040, 74840080]

約数ペア:

[(1, 74840080), (2, 37420040), (4, 18710020), (5, 14968016), (7, 10691440), (8, 9355010), (10, 7484008), (14, 5345720), (16, 4677505), (20, 3742004), (28, 2672860), (35, 2138288), (40, 1871002), (56, 1336430), (70, 1069144), (80, 935501), (107, 699440), (112, 668215), (140, 534572), (214, 349720), (280, 267286), (428, 174860), (535, 139888), (560, 133643), (749, 99920), (856, 87430), (1070, 69944), (1249, 59920), (1498, 49960), (1712, 43715), (2140, 34972), (2498, 29960), (2996, 24980), (3745, 19984), (4280, 17486), (4996, 14980), (5992, 12490), (6245, 11984), (7490, 9992), (8560, 8743)]