1970260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 4435200

約数和(自身を除く): 2464940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 79, 86, 116, 145, 158, 172, 215, 290, 316, 395, 430, 580, 790, 860, 1247, 1580, 2291, 2494, 3397, 4582, 4988, 6235, 6794, 9164, 11455, 12470, 13588, 16985, 22910, 24940, 33970, 45820, 67940, 98513, 197026, 394052, 492565, 985130, 1970260]

約数ペア:

[(1, 1970260), (2, 985130), (4, 492565), (5, 394052), (10, 197026), (20, 98513), (29, 67940), (43, 45820), (58, 33970), (79, 24940), (86, 22910), (116, 16985), (145, 13588), (158, 12470), (172, 11455), (215, 9164), (290, 6794), (316, 6235), (395, 4988), (430, 4582), (580, 3397), (790, 2494), (860, 2291), (1247, 1580)]