74389840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2711}}^1$

素因数の和:2745

約数の個数: 80

約数和(自身を含む): 201772800

約数和(自身を除く): 127382960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2711, 2744, 3430, 3920, 5422, 5488, 6860, 10844, 13555, 13720, 18977, 21688, 27110, 27440, 37954, 43376, 54220, 75908, 94885, 108440, 132839, 151816, 189770, 216880, 265678, 303632, 379540, 531356, 664195, 759080, 929873, 1062712, 1328390, 1518160, 1859746, 2125424, 2656780, 3719492, 4649365, 5313560, 7438984, 9298730, 10627120, 14877968, 18597460, 37194920, 74389840]

約数ペア:

[(1, 74389840), (2, 37194920), (4, 18597460), (5, 14877968), (7, 10627120), (8, 9298730), (10, 7438984), (14, 5313560), (16, 4649365), (20, 3719492), (28, 2656780), (35, 2125424), (40, 1859746), (49, 1518160), (56, 1328390), (70, 1062712), (80, 929873), (98, 759080), (112, 664195), (140, 531356), (196, 379540), (245, 303632), (280, 265678), (343, 216880), (392, 189770), (490, 151816), (560, 132839), (686, 108440), (784, 94885), (980, 75908), (1372, 54220), (1715, 43376), (1960, 37954), (2711, 27440), (2744, 27110), (3430, 21688), (3920, 18977), (5422, 13720), (5488, 13555), (6860, 10844)]