290681480

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{31189}}^1$

素因数の和:31433

約数の個数: 32

約数和(自身を含む): 656861400

約数和(自身を除く): 366179920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 9320, 31189, 62378, 124756, 155945, 249512, 311890, 623780, 1247560, 7267037, 14534074, 29068148, 36335185, 58136296, 72670370, 145340740, 290681480]

約数ペア:

[(1, 290681480), (2, 145340740), (4, 72670370), (5, 58136296), (8, 36335185), (10, 29068148), (20, 14534074), (40, 7267037), (233, 1247560), (466, 623780), (932, 311890), (1165, 249512), (1864, 155945), (2330, 124756), (4660, 62378), (9320, 31189)]