254703020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89057}}^1$

素因数の和:89090

約数の個数: 48

約数和(自身を含む): 628393248

約数和(自身を除く): 373690228

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 89057, 178114, 356228, 445285, 890570, 979627, 1157741, 1781140, 1959254, 2315482, 3918508, 4630964, 4898135, 5788705, 9796270, 11577410, 12735151, 19592540, 23154820, 25470302, 50940604, 63675755, 127351510, 254703020]

約数ペア:

[(1, 254703020), (2, 127351510), (4, 63675755), (5, 50940604), (10, 25470302), (11, 23154820), (13, 19592540), (20, 12735151), (22, 11577410), (26, 9796270), (44, 5788705), (52, 4898135), (55, 4630964), (65, 3918508), (110, 2315482), (130, 1959254), (143, 1781140), (220, 1157741), (260, 979627), (286, 890570), (572, 445285), (715, 356228), (1430, 178114), (2860, 89057)]