312235880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{5417}}^1$

素因数の和:5570

約数の個数: 64

約数和(自身を含む): 772390080

約数和(自身を除く): 460154200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 262, 440, 524, 655, 1048, 1310, 1441, 2620, 2882, 5240, 5417, 5764, 7205, 10834, 11528, 14410, 21668, 27085, 28820, 43336, 54170, 57640, 59587, 108340, 119174, 216680, 238348, 297935, 476696, 595870, 709627, 1191740, 1419254, 2383480, 2838508, 3548135, 5677016, 7096270, 7805897, 14192540, 15611794, 28385080, 31223588, 39029485, 62447176, 78058970, 156117940, 312235880]

約数ペア:

[(1, 312235880), (2, 156117940), (4, 78058970), (5, 62447176), (8, 39029485), (10, 31223588), (11, 28385080), (20, 15611794), (22, 14192540), (40, 7805897), (44, 7096270), (55, 5677016), (88, 3548135), (110, 2838508), (131, 2383480), (220, 1419254), (262, 1191740), (440, 709627), (524, 595870), (655, 476696), (1048, 297935), (1310, 238348), (1441, 216680), (2620, 119174), (2882, 108340), (5240, 59587), (5417, 57640), (5764, 54170), (7205, 43336), (10834, 28820), (11528, 27085), (14410, 21668)]