2010820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 4935168

約数和(自身を除く): 2924348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 271, 371, 530, 542, 742, 1060, 1084, 1355, 1484, 1855, 1897, 2710, 3710, 3794, 5420, 7420, 7588, 9485, 14363, 18970, 28726, 37940, 57452, 71815, 100541, 143630, 201082, 287260, 402164, 502705, 1005410, 2010820]

約数ペア:

[(1, 2010820), (2, 1005410), (4, 502705), (5, 402164), (7, 287260), (10, 201082), (14, 143630), (20, 100541), (28, 71815), (35, 57452), (53, 37940), (70, 28726), (106, 18970), (140, 14363), (212, 9485), (265, 7588), (271, 7420), (371, 5420), (530, 3794), (542, 3710), (742, 2710), (1060, 1897), (1084, 1855), (1355, 1484)]