291240680

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{31249}}^1$

素因数の和:31493

約数の個数: 32

約数和(自身を含む): 658125000

約数和(自身を除く): 366884320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 9320, 31249, 62498, 124996, 156245, 249992, 312490, 624980, 1249960, 7281017, 14562034, 29124068, 36405085, 58248136, 72810170, 145620340, 291240680]

約数ペア:

[(1, 291240680), (2, 145620340), (4, 72810170), (5, 58248136), (8, 36405085), (10, 29124068), (20, 14562034), (40, 7281017), (233, 1249960), (466, 624980), (932, 312490), (1165, 249992), (1864, 156245), (2330, 124996), (4660, 62498), (9320, 31249)]