17628820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{353}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 40678848

約数和(自身を除く): 23050028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 353, 454, 706, 908, 1135, 1412, 1765, 2270, 2497, 3530, 3883, 4540, 4994, 7060, 7766, 9988, 12485, 15532, 19415, 24970, 38830, 49940, 77660, 80131, 160262, 320524, 400655, 801310, 881441, 1602620, 1762882, 3525764, 4407205, 8814410, 17628820]

約数ペア:

[(1, 17628820), (2, 8814410), (4, 4407205), (5, 3525764), (10, 1762882), (11, 1602620), (20, 881441), (22, 801310), (44, 400655), (55, 320524), (110, 160262), (220, 80131), (227, 77660), (353, 49940), (454, 38830), (706, 24970), (908, 19415), (1135, 15532), (1412, 12485), (1765, 9988), (2270, 7766), (2497, 7060), (3530, 4994), (3883, 4540)]