1631420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 4021248

約数和(自身を除く): 2389828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 271, 301, 430, 542, 602, 860, 1084, 1204, 1355, 1505, 1897, 2710, 3010, 3794, 5420, 6020, 7588, 9485, 11653, 18970, 23306, 37940, 46612, 58265, 81571, 116530, 163142, 233060, 326284, 407855, 815710, 1631420]

約数ペア:

[(1, 1631420), (2, 815710), (4, 407855), (5, 326284), (7, 233060), (10, 163142), (14, 116530), (20, 81571), (28, 58265), (35, 46612), (43, 37940), (70, 23306), (86, 18970), (140, 11653), (172, 9485), (215, 7588), (271, 6020), (301, 5420), (430, 3794), (542, 3010), (602, 2710), (860, 1897), (1084, 1505), (1204, 1355)]