3905260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 8870400

約数和(自身を除く): 4965140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 239, 380, 430, 478, 817, 860, 956, 1195, 1634, 2390, 3268, 4085, 4541, 4780, 8170, 9082, 10277, 16340, 18164, 20554, 22705, 41108, 45410, 51385, 90820, 102770, 195263, 205540, 390526, 781052, 976315, 1952630, 3905260]

約数ペア:

[(1, 3905260), (2, 1952630), (4, 976315), (5, 781052), (10, 390526), (19, 205540), (20, 195263), (38, 102770), (43, 90820), (76, 51385), (86, 45410), (95, 41108), (172, 22705), (190, 20554), (215, 18164), (239, 16340), (380, 10277), (430, 9082), (478, 8170), (817, 4780), (860, 4541), (956, 4085), (1195, 3268), (1634, 2390)]