268499310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{208139}}^1$

素因数の和:208192

約数の個数: 32

約数和(自身を含む): 659387520

約数和(自身を除く): 390888210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 208139, 416278, 624417, 1040695, 1248834, 2081390, 3122085, 6244170, 8949977, 17899954, 26849931, 44749885, 53699862, 89499770, 134249655, 268499310]

約数ペア:

[(1, 268499310), (2, 134249655), (3, 89499770), (5, 53699862), (6, 44749885), (10, 26849931), (15, 17899954), (30, 8949977), (43, 6244170), (86, 3122085), (129, 2081390), (215, 1248834), (258, 1040695), (430, 624417), (645, 416278), (1290, 208139)]