571008440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 1301002560

約数和(自身を除く): 729994120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 233, 311, 394, 466, 622, 788, 932, 985, 1165, 1244, 1555, 1576, 1864, 1970, 2330, 2488, 3110, 3940, 4660, 6220, 7880, 9320, 12440, 45901, 61267, 72463, 91802, 122534, 144926, 183604, 229505, 245068, 289852, 306335, 362315, 367208, 459010, 490136, 579704, 612670, 724630, 918020, 1225340, 1449260, 1836040, 2450680, 2898520, 14275211, 28550422, 57100844, 71376055, 114201688, 142752110, 285504220, 571008440]

約数ペア:

[(1, 571008440), (2, 285504220), (4, 142752110), (5, 114201688), (8, 71376055), (10, 57100844), (20, 28550422), (40, 14275211), (197, 2898520), (233, 2450680), (311, 1836040), (394, 1449260), (466, 1225340), (622, 918020), (788, 724630), (932, 612670), (985, 579704), (1165, 490136), (1244, 459010), (1555, 367208), (1576, 362315), (1864, 306335), (1970, 289852), (2330, 245068), (2488, 229505), (3110, 183604), (3940, 144926), (4660, 122534), (6220, 91802), (7880, 72463), (9320, 61267), (12440, 45901)]