306440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 708480

約数和(自身を除く): 402040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 163, 188, 235, 326, 376, 470, 652, 815, 940, 1304, 1630, 1880, 3260, 6520, 7661, 15322, 30644, 38305, 61288, 76610, 153220, 306440]

約数ペア:

[(1, 306440), (2, 153220), (4, 76610), (5, 61288), (8, 38305), (10, 30644), (20, 15322), (40, 7661), (47, 6520), (94, 3260), (163, 1880), (188, 1630), (235, 1304), (326, 940), (376, 815), (470, 652)]