256082540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{25057}}^1$

素因数の和:25146

約数の個数: 48

約数和(自身を含む): 623042112

約数和(自身を除く): 366959572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 25057, 50114, 100228, 125285, 175399, 250570, 350798, 501140, 701596, 876995, 1753990, 1829161, 3507980, 3658322, 7316644, 9145805, 12804127, 18291610, 25608254, 36583220, 51216508, 64020635, 128041270, 256082540]

約数ペア:

[(1, 256082540), (2, 128041270), (4, 64020635), (5, 51216508), (7, 36583220), (10, 25608254), (14, 18291610), (20, 12804127), (28, 9145805), (35, 7316644), (70, 3658322), (73, 3507980), (140, 1829161), (146, 1753990), (292, 876995), (365, 701596), (511, 501140), (730, 350798), (1022, 250570), (1460, 175399), (2044, 125285), (2555, 100228), (5110, 50114), (10220, 25057)]