8347460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 20139840

約数和(自身を除く): 11792380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1997, 2090, 3994, 4180, 7988, 9985, 19970, 21967, 37943, 39940, 43934, 75886, 87868, 109835, 151772, 189715, 219670, 379430, 417373, 439340, 758860, 834746, 1669492, 2086865, 4173730, 8347460]

約数ペア:

[(1, 8347460), (2, 4173730), (4, 2086865), (5, 1669492), (10, 834746), (11, 758860), (19, 439340), (20, 417373), (22, 379430), (38, 219670), (44, 189715), (55, 151772), (76, 109835), (95, 87868), (110, 75886), (190, 43934), (209, 39940), (220, 37943), (380, 21967), (418, 19970), (836, 9985), (1045, 7988), (1997, 4180), (2090, 3994)]