171147020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1559}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 393120000

約数和(自身を除く): 221972980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 499, 998, 1559, 1996, 2495, 3118, 4990, 5489, 6236, 7795, 9980, 10978, 15590, 17149, 21956, 27445, 31180, 34298, 54890, 68596, 85745, 109780, 171490, 342980, 777941, 1555882, 3111764, 3889705, 7779410, 8557351, 15558820, 17114702, 34229404, 42786755, 85573510, 171147020]

約数ペア:

[(1, 171147020), (2, 85573510), (4, 42786755), (5, 34229404), (10, 17114702), (11, 15558820), (20, 8557351), (22, 7779410), (44, 3889705), (55, 3111764), (110, 1555882), (220, 777941), (499, 342980), (998, 171490), (1559, 109780), (1996, 85745), (2495, 68596), (3118, 54890), (4990, 34298), (5489, 31180), (6236, 27445), (7795, 21956), (9980, 17149), (10978, 15590)]