3161480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1613}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 8279820

約数和(自身を除く): 5118340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1613, 1960, 3226, 6452, 8065, 11291, 12904, 16130, 22582, 32260, 45164, 56455, 64520, 79037, 90328, 112910, 158074, 225820, 316148, 395185, 451640, 632296, 790370, 1580740, 3161480]

約数ペア:

[(1, 3161480), (2, 1580740), (4, 790370), (5, 632296), (7, 451640), (8, 395185), (10, 316148), (14, 225820), (20, 158074), (28, 112910), (35, 90328), (40, 79037), (49, 64520), (56, 56455), (70, 45164), (98, 32260), (140, 22582), (196, 16130), (245, 12904), (280, 11291), (392, 8065), (490, 6452), (980, 3226), (1613, 1960)]