1580740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1613}}^1$

素因数の和:1636

約数の個数: 36

約数和(自身を含む): 3863916

約数和(自身を除く): 2283176

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1613, 3226, 6452, 8065, 11291, 16130, 22582, 32260, 45164, 56455, 79037, 112910, 158074, 225820, 316148, 395185, 790370, 1580740]

約数ペア:

[(1, 1580740), (2, 790370), (4, 395185), (5, 316148), (7, 225820), (10, 158074), (14, 112910), (20, 79037), (28, 56455), (35, 45164), (49, 32260), (70, 22582), (98, 16130), (140, 11291), (196, 8065), (245, 6452), (490, 3226), (980, 1613)]