28504590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 72230400

約数和(自身を除く): 43725810

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 109, 115, 138, 218, 230, 327, 345, 379, 545, 654, 690, 758, 1090, 1137, 1635, 1895, 2274, 2507, 3270, 3790, 5014, 5685, 7521, 8717, 11370, 12535, 15042, 17434, 25070, 26151, 37605, 41311, 43585, 52302, 75210, 82622, 87170, 123933, 130755, 206555, 247866, 261510, 413110, 619665, 950153, 1239330, 1900306, 2850459, 4750765, 5700918, 9501530, 14252295, 28504590]

約数ペア:

[(1, 28504590), (2, 14252295), (3, 9501530), (5, 5700918), (6, 4750765), (10, 2850459), (15, 1900306), (23, 1239330), (30, 950153), (46, 619665), (69, 413110), (109, 261510), (115, 247866), (138, 206555), (218, 130755), (230, 123933), (327, 87170), (345, 82622), (379, 75210), (545, 52302), (654, 43585), (690, 41311), (758, 37605), (1090, 26151), (1137, 25070), (1635, 17434), (1895, 15042), (2274, 12535), (2507, 11370), (3270, 8717), (3790, 7521), (5014, 5685)]