280051856

素因数分解:

$2^4\times 7^2\times {\mathrm{523}}^1\times {\mathrm{683}}^1$

素因数の和:1228

約数の個数: 60

約数和(自身を含む): 633321072

約数和(自身を除く): 353269216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 523, 683, 784, 1046, 1366, 2092, 2732, 3661, 4184, 4781, 5464, 7322, 8368, 9562, 10928, 14644, 19124, 25627, 29288, 33467, 38248, 51254, 58576, 66934, 76496, 102508, 133868, 205016, 267736, 357209, 410032, 535472, 714418, 1428836, 2500463, 2857672, 5000926, 5715344, 10001852, 17503241, 20003704, 35006482, 40007408, 70012964, 140025928, 280051856]

約数ペア:

[(1, 280051856), (2, 140025928), (4, 70012964), (7, 40007408), (8, 35006482), (14, 20003704), (16, 17503241), (28, 10001852), (49, 5715344), (56, 5000926), (98, 2857672), (112, 2500463), (196, 1428836), (392, 714418), (523, 535472), (683, 410032), (784, 357209), (1046, 267736), (1366, 205016), (2092, 133868), (2732, 102508), (3661, 76496), (4184, 66934), (4781, 58576), (5464, 51254), (7322, 38248), (8368, 33467), (9562, 29288), (10928, 25627), (14644, 19124)]